Solving Problems Involving Rational Numbers

Question 1

What is the value of the expression below?

Revolt · Accepted Answer

–1

Question 2

Rasheed wants to buy two new video games that cost $28.50 each. He earns money for them by mowing lawns in his neighborhood, and his earnings are shown in the table below. Rasheed’s EarningsWeekAmount Earned1$7.502$4.853$12.254$9.005$8.15How much more does Rasheed need to earn before he can buy the video games?

Revolt · Accepted Answer

$15.25

Question 3

Rahul simplified an expression. His work is shown below. Step 1 Step 2 Step 3 Step 4 28.5Where did Rahul make his first mistake?

Revolt · Accepted Answer

step 3

Question 4

Cecilia simplified an expression. Her work is shown below. Step 1Step 2Step 3Step 469.75Where did Cecilia make her first mistake?

Revolt · Accepted Answer

step 2

Question 5

There are 3 different cheeses at the deli. Yasuko buys of a pound of each. There are also 4 different meats. She buys of a pound of each. How much total meat and cheese did Yasuko buy at the deli?

Revolt · Accepted Answer

pounds

Question 6

What is the simplified value of the expression below?

Revolt · Accepted Answer

3.2

Question 7

Leticia simplified an expression. Her work is shown below. Step 1Step 2Step 3Step 432Where did Leticia make her first mistake?

Revolt · Accepted Answer

step 2

Question 8

On Friday, a bowling alley made $842.72 from lane rentals and $412.38 from the concession stand. On Saturday, their lane rentals were down by but the concessions increased by . What is the total amount that the bowling alley earned in lane rentals and concessions on Friday and Saturday?

Revolt · Accepted Answer

$2,611.05

Question 9

Anusha brings a $20 bill to the store. She purchases 4 pairs of socks for $2.25 each and a new belt for $7.50. How much change will Anusha receive when she pays for her clothes?

Revolt · Accepted Answer

$3.50

Question 10

What is the value of the expression?

Revolt · Accepted Answer

11 and one-fourth

Solving Problems Involving Rational Numbers Answers

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