MATHEMATICS MIDDLE SCHOOL

What is the unit rate of 72 ounces for 12 servings

Answers

Answer 1
Answer: 6 ounces per serving.
Answer 2
Answer: the unit rate would be 6:1 since 72/12 is 6 

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The cost of a ticket to the circus is $19.00 forchildren and $42.00 for adults. On a certain day,
attendance at the circus was 1,700 and the total
gate revenue was $55,300. How many children and
how many adults bought tickets?​

Answers

Answer:

The number of tickets bought is 1000 adults tickets and 700 children were present  

Explanation:

Let the number of children and adults present in the circus be x and y respectively

According to question,

Then, x + y = 1700  ……………..equation (1)

And, cost of ticket to circus for children and adult be 19, 42 respectively

Totalcost of ticket;

for adults = 42y; for children = 19x

19x + 42y = 55300  …………………equation (2)

Multiplying equation (1) by 19

19x + 19y = 32300  ……………… eqn (3)

Subtracting equation 1 and 3, we get

23y = 23000

y = 1000

putting this value in eq (1), we get x = 700

Therefore, 1000 adults and 700 children were present.

Can someone do this I don't know how

Answers

Step-by-step explanation:

Profit = $ 310 - $ 135 = $ 175

profit \: percent \: = (175)/(135) * 100 \n \n = (17500)/(135) \n \n = 129.62 \% \n \approx 130\%

Ali went to the store to buy vegetables. He bought 16 ounces of potatoes, 1.5 of onions, 4 ounces of celery, 1 pound of tomatoes , and 4 ounces of garlic. Part a. What was the total weight of the vegetables in pounds?
Part b. the items were packed in two bags. The first bag contained the potatoes and onions, and the second bag contained the remaining items. How many ounces do the first bag weigh? How many pounds did the second bag weigh ?
Part c. Which bag was heavier? By how much?

Answers

a. 2.537 pounds
b. 17.5 ounces 1.50 pounds
c. bag 1 was heavier by 0.40625 pounds

What is 9% as a decimal

Answers

It can be helpful to realize the the "%" symbol is a shorthand way to write "/100". That is 9% means exactly 9/100. Of course, you know that hundredths are written in the second decimal place, so

... 9% = 9/100 = 0.09
0.09 Move the decimal point over two digits to account for the x100

7 times as much as the sum of 1/3 and 4/5

Answers

First of all, you add 1/3 and 4/5, so you get:
(1)/(3) + (4)/(5)

To add 2 fractions, they need to have the same denominator. Since 3 and 5 don't have a common factor, so you multiply 1/3 by 5, and 4/5 by 3, so you get:
(1*5)/(3*5) + (4*3)/(5*3)
(5)/(15) + (12)/(15)

Now, the two fractions got the same denominator, and you can add them by adding the numerators over the same denominator. (You don't add denominators in addition) so you get:
(5+12)/(15)
(17)/(15)

That's the sum of 1/3 + 4/5.

Now, they want the sum of the 2 fractions 7 times. So you multiply 17/15 by 7. And as you know, 7 = 7/1. So you get:
(17)/(15) * (7)/(1)

In multiplication no need to have the same denominator. You multiply nominators by nominators and denominators by denominators. So you get:
(17*7)/(15*1)
(119)/(15)

Since 119 and 15 don't have a common factor, so they can't be simplified.
So, the answer is 119/15. 

Hope this Helps! :D

What you have to do first is to add (1)/(3) and (4)/(5),

Further Explanation

Therefore we have:

= (1)/(3) + (4)/(5)

= ( (1)/(3) + (4)/(5) ) / 15 (15 is the smallest number that divide both denominator also known as LCD)

= (5 x 1) + (3 x 4) / 15

= 5 + 12 / 15

= (17)/(15)

Therefore, the sum of (1)/(3) + (4)/(5) is (17)/(15)

But since the question says you should determine the sum of the 2 fractions, therefore you should multiply (17)/(15) by 7. Therefore you should have:

(17)/(15) X 7 (7 can also be expressed as (7)/(1))

= (17)/(15) x (7)/(1) (notably, in multiplication there is no need for the fraction to have the same denominator. You can multiply both numbers at the top together (numerator) and do same with the denominator.

= (119)/(15)

= 7(14)/(15)

Therefore, 7 times as much as the sum of (1)/(3) and (4)/(5) is 7(14)/(15)

LEARN MORE:

KEYWORDS:

  • multiplication
  • addition
  • sum
  • denominator
  • numerator

Identify each as an expression or an equation 8x-3

Answers

An equation has an equal sign, whereas an expression does not have an equal sign.  8x-3 is an expression.  If it was 8x-3 = then it would be an equation.  (you can remember this by equation and equal sign.
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