Which of the following is a real-world problem that could be solved with the sum 102.50+(−39.95)?
4 answers
A possible real-world problem that could be solved with the sum 102.50+(-39.95) is calculating the final price of a purchase after applying a discount or subtracting a certain amount. For example, if you have a $102.50 bill or purchase and apply a discount or deduction of $39.95, you can find the final amount that needs to be paid.
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Q1. Zuri earned $56.80 at his job last week. They then spent $40 on a video game. 56.80 +(−40)=16.80 Interpret this sum in the context of the problem.
A1. $16.80 is the amount Zuri has left from their earnings last week after purchasing the video game.
Q2. Which of the following is a real-world problem that could be solved with the sum −22+9
A2.Quinn is playing a card game with his friends. He had −22
points at the start of his turn, but just got 9 points. How many points does he now have?
Q3.It was −8°
F this morning, but the temperature has gone up 11°
over the course of the day. What is the temperature now?
A3 .3°F
Q4.There are some areas of land on Earth that are below sea level. Imagine you are at the Dead Sea in Africa, which has an elevation of about −1,410
feet (1,410 feet below sea level). You then climb up 125 feet. What is your new elevation?
A4. −1,285
feet
Q5.Reem owes her friend $15.25. Reem works after school and earns $43.78. After paying her friend back, how much money does she have?
A5.$28.53
A1. $16.80 is the amount Zuri has left from their earnings last week after purchasing the video game.
Q2. Which of the following is a real-world problem that could be solved with the sum −22+9
A2.Quinn is playing a card game with his friends. He had −22
points at the start of his turn, but just got 9 points. How many points does he now have?
Q3.It was −8°
F this morning, but the temperature has gone up 11°
over the course of the day. What is the temperature now?
A3 .3°F
Q4.There are some areas of land on Earth that are below sea level. Imagine you are at the Dead Sea in Africa, which has an elevation of about −1,410
feet (1,410 feet below sea level). You then climb up 125 feet. What is your new elevation?
A4. −1,285
feet
Q5.Reem owes her friend $15.25. Reem works after school and earns $43.78. After paying her friend back, how much money does she have?
A5.$28.53
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