Word problem on Integers

A store earned a profit of $150 on Monday and a loss of $90 on Tuesday. What is the net profit or loss over the two days?

• a,$60 profit

• b) $60 loss

• c) $240 profit

• d) $240 loss

In a basketball game, a team gained 25 points on one play but then lost 18 points on the next play. What is the overall score gain or loss?

• a) 43 gain

• b) 43 loss

• c) 7 gain

• d) 7 loss

John had $80 in his wallet. He spent $45 on lunch and then found $30 on the street. What is his current wallet balance?

• a) $65

• b) $65

• c) $35

• d) $55

At noon, the temperature was a hot 30°C above zero. If it cools down by 2°C each hour until midnight, at what time will it be 10°C below zero? And what's the temperature at midnight?

• a) 4 AM, -10°C

• b) 8 PM, -10°C

• c) 6 AM, -10°C

• d) 2 AM, -10°C

In a quiz, participants gain (+5) points for correct answers and lose (-3) points for wrong ones. No points are given for not trying.

(i) Alice scored 25 points with 5 correct answers. How many questions did she get wrong?

• a) 5

• b) 8

• c) 7

• d) 10

(ii) Bob got -9 points despite having 6 correct answers. How many questions did he answer incorrectly?

• a) 4

• b) 5

• c) 6

• d) 7

An escalator ascends from the ground floor to the top floor at a rate of 8 steps per minute. Starting at step 20, how long does it take to reach step 150?

• a) 16 minutes

• b) 15 minutes

• c) 14 minutes

• d) 13 minutes