What is 5/12 minus 3/20

Answers

Answer 1

Answer: $(5)/(12) - (3)/(20)$

First, find the LCD of the two fractions.
Multiples of 12: 12, 24, 36, 48, 60.
Multiples of 20: 20, 40, 60
The LCD is 60.
Second, change the denominators to be the same as the LCD.
$(5x5)/(12x5) - (3x3)/(20x3)$
Third, 5 × 5 = 25 / 12 × 5 = 60 / 3 × 3 = 9 / 20 × 3 = 60
$(25)/(60) - (9)/(60)$
Fourth, combine the denominators.
$(25-9)/(60)$
Fifth, subtract 25 - 9 to get 16.
$(16)/(60)$
Sixth, find the GCF of 16 and 60.
The GCF is 4.
Seventh, divide the numerator by the GCF.
$16$ ÷ $4 = 4$
Eighth, divide the denominator by the GCF.
$60$ ÷ $4 = 15$
Ninth, rewrite the fraction in simplest form.
$(4)/(15)$

Answer as fraction: $(4)/(15)$
Answer as decimal: 0.2667

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Travis and Paula went to lunch. Travis ordered a sandwich for $7.50, and Paula ordered a burger for $5.25. After lunch, they left 15% tip for theirwaiter. How much money did they spend altogether ?

A box contains only sliver tokens and gold tokens. Clarisse reached into the bag without looking, got 60 tokens, and found that 48 of the tokens were silver. Clarisse is going to reach in the box again and get one more token. What is the experimental probability that the token will be silver? A. 1/48 B. 2/5 C. 1/2 D. 4/5

Answers

The experimental probability in this problem is given by the total amount of silver coins Clarisse pulled over the total amount of coins Clarisse pulled.

She pulled 48 silver coins out of the 60 she pulled in total. Set up a fraction:

$(48)/(60)$

This fraction can be simplified by dividing both the numerator and denominator by 12:

$(48)/(60) / (12)/(12) = (4)/(5)$

The experimental probability of pulling another silver token is 4/5.

Final answer:

The experimental probability of Clarisse picking a silver token from a box is the ratio of the number of silver tokens picked (48) to the total number of tokens picked (60), which simplifies to 4/5. Therefore, the correct answer is option D.

Explanation:

The question asks about the experimental probability of picking a silver token from a box after Clarisse already picked 60 tokens, of which 48 were silver. Experimental probability is determined by conducting an experiment and recording the results. The experimental probability of an event is the ratio of the number of times the event occurred to the total number of trials.

The number of silver tokens Clarisse picked is 48, and the total number of tokens she picked is 60. So, the experimental probability of picking a silver token is 48/60. This could be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 12, resulting in 4/5. Therefore, the experimental probability of picking a silver token is 4/5, or in other words, option D is correct.

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Write an expression that is equivalent to three over five (3y + 15).three over fivey + 9
three over five y + 15
nine over fivey + 9
nine over fivey + 15

Answers

$\sf(3)/(5)(3y+15)$

Distribute 3/5:

$\sf(3)/(5)*3\rightarrow(3*3)/(5)\rightarrow(9)/(5)$

$\sf(3)/(5)*15\rightarrow(3*15)/(5)\rightarrow(45)/(5)\rightarrow9$

So we have:

$\boxed{\sf(9)/(5)y+9}$

Answer:

9 over five y+9

Step-by-step explanation:

I had this question before

Stela's piano lesson starts at 4:30. The lesson is 50 minutes long. When does her lesson end?

Answers

The answer is at 5:20

Stela's lesson would end at 5:20, because 4:30 is the start time of her class and it is 50 minutes long so you want to add and like this

4:30
+
50
----------------
4:80

since there are 60 minutes in an hour you would make it like 80-60 which is 20 so u would do 5:00 + 20 minutes

Your welcome, pls make this the brainliest and have a nice day

What is the unit rate of 72 ounces for 12 servings

Answers

6 ounces per serving.

the unit rate would be 6:1 since 72/12 is 6

Can someone help me with this problem?In 2004, there were 3344 amusement parks and arcades. This decreased by 148 by 2009. Write and evaluate an expression to find the number of amusement parks and arcades in 2009

Answers

Number of amusement parks and arcades in 2004 = 3344

Decrease in the number of amusement parks from 2004 to 2009 = 148

So, the expression to calculate the total number of amusement parks and arcades in 2009 is 3344 - 148

Evaluating the expression we get the total number of amusement parks and arcades in 2009 as 3196

Hope that help!

How do you do 8y + 5 - 4y +1 =46

Answers

Answer:

Y=10

Step-by-step explanation:

You need to isolate the variable "y"

To do this simply subtract the whole numbers, 5 and 1, from the left side of the equation and add the y values together.

This leaves you with "8y-4y=46-5-1" which simplifies to "4y=40"

Now you simply divide both sides of the equation by the number with the variable y, being 40/4 , leaving you with "y=10"

Final answer:

To solve the equation 8y + 5 - 4y +1 = 46, first simplify the left side by combining like terms. Then isolate the variable by subtracting and dividing to solve for y.

Explanation:

To solve the equation 8y + 5 - 4y +1 = 46, we first simplify the left side by combining like terms. 8y - 4y = 4y, and 5 + 1 = 6. So, the equation becomes 4y + 6 = 46. Next, we isolate the variable by subtracting 6 from both sides of the equation. This gives us 4y = 40. Finally, we divide both sides of the equation by 4 to solve for y. So, y = 10.

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