You drive 15 miles in one-fourth hour. What is your average speed?

Answers

Answer 1

Answer: you have to multiply 15 by 4 to get 60. The speed per hour is 60.

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Conrad has a collection of three types of coins: nickels,dimes,and quarters.There are five more nickels than quarters but four times as many dimes as quarters.If the entire collection is worth $5.85,how many nickels,dimes,and quarters are there?

you deposit $50 in your savings account. One week later, you withdraw $20. Write each amount as an integer

Answers

When you deposit $50 into your account, you add it to the amount already in your account. (Some people oversee this error and assume the account has a balance of 0.)

So you add 50 to x, our variable, and then subtract 20 from it because we withdrew $20.

So the amount remaining is x+30.

However, the question asks for every amount to be written as an integer. Let's say that 50 is a, 20 is b, and the original amount is x.
The equation would be x+a-b.

How can knowing the gcf and lcm help you when you add subtract and multiply fractions?

Answers

Knowing the gcm and the lcm helps you when you add, subract, and multiply fractions because you will know more about what the answer is to a problem.

Best Answer : Knowing the greatest common multiple and the least common multiple helps because you will know more about what is the answer to a problem like :
78-9 = ?
Is that a multiple for number 5?

Please I really need help!equivalent fraction of 1/50 with a denominator of 100 and convert these fractions to decimals.Also these ones:
1/20
1/25
3/10
7/10
2/5
Please I need to finish my school homework and my school is tomorrow nd if i don't bring my homework by tommoro i will literally be dead!LITERALLY!!!!!!

Answers

u just divide it by 100

1/50 = 2/100

1/20 = 0.05
1/25 = 0.04
3/10 = 0.3
7/10 = 0.7
2/5 = 0.4

For the week 600 students purchased school lunch. Monday 100 student bought a school lunch. Tuesday 50 student brought school lunch. How many student bought school lunch for the rest of the week if the school sold all 600 lunches

Answers

450 students
Because
100+50=150
600-150=450

Final answer:

After subtracting the number of lunches bought on Monday and Tuesday from the week's total, it is found that 450 students bought school lunch for the rest of the week.

Explanation:

The question is asking you to figure out how many students bought school lunch for the rest of the week after Monday and Tuesday's sales were considered. Using simple subtraction, deduct the number of lunches bought on Monday and Tuesday from the total for the week:

Monday: 100 lunches
Tuesday: 50 lunches
Week total: 600 lunches

To calculate, we take the week total and minus Monday and Tuesday's sales (600 - 100 - 50) which gives us 450. Therefore, 450 students bought school lunch for the rest of the week.

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Variable a is 4 more than variable b. Variable a is also 1 less than b. Which of the following pairs of equations best models the relationship between a and b? (4 points)
A a = b + 4 a = b – 1
B a = 4b a = b + 1
C b = a + 4 b = a – 1
D b = 4a b = a + 1