Add & Subtract Rational Numbers Unit Test

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Question
Which of the following is a real-world problem that could be solved with the sum 102.50+(−39.95)?(1 point)
Responses

Nevaeh earned $102.50 last weekend. He then spent $39.95 on a new game. How much money from his weekend earnings does he have left?
Nevaeh earned $102.50 last weekend. He then spent $39.95 on a new game. How much money from his weekend earnings does he have left?

Nevaeh has $102.50 in his bank account. He then deposits $39.95 into his bank account. How much money does he now have in his bank account?
Nevaeh has $102.50 in his bank account. He then deposits $39.95 into his bank account. How much money does he now have in his bank account?

Nevaeh earned $102.50 last weekend. He then received $39.95 from his mom. How much money does he now have?
Nevaeh earned $102.50 last weekend. He then received $39.95 from his mom. How much money does he now have?

Nevaeh bought new headphones for $102.50. He then spent $39.95 on a new game. How much money did Nevaeh spend all together?

Nevaeh bought new headphones for $102.50. He then spent $39.95 on a new game. How much money did Nevaeh spend all together?

It was 13°C yesterday, but the temperature changed by −18.6° overnight. What is the temperature now?(1 point)

°C

The temperature is now -5.6°C.

Use the additive inverse to find −492.89−(−871.78).(1 point)

To find the value of −492.89−(−871.78), we can rewrite it as −492.89+871.78 using the additive inverse.

Therefore, the value of −492.89−(−871.78) is 378.89.

Which context describes a difference of rational numbers?(1 point)

Responses

The team’s score increased when scoring.
The team’s score increased when scoring.

A football player loses yards on a play.
A football player loses yards on a play.

The team’s score did not change during the game.
The team’s score did not change during the game.

A football player gains yards on a play.
A football player gains yards on a play.

A football player loses yards on a play.

Joey walked east for 1523 meters from home. Then, he walked west for 2134 meters. How far was Joey from home? Write your answer as a mixed number only.(1 point)

Joey was
meters from home.

Joey was 611 meters from home.

in a mixed fraction form