Choose all that give the correct expression.

Steven lost four $10 bills, and now he has −$40.
−4 × 10

If I lose 8 pounds per month for 3 months, my weight will change −24 pounds total.
3 × (−8)

Sarah spends $2 for each fare on the commuter train. She rides the train 10 times during a week.
2 × (−10)

Pat and Amy were on a diet for 4 months. Pat lost an average of 3 pounds a month, and Amy lost an average of 4 pounds a month.
4((−3) + (−4))

Question

20-09-2020
Mathematics

contestada

Choose all that give the correct expression.

Steven lost four $10 bills, and now he has −$40.
−4 × 10

If I lose 8 pounds per month for 3 months, my weight will change −24 pounds total.
3 × (−8)

Sarah spends $2 for each fare on the commuter train. She rides the train 10 times during a week.
2 × (−10)

Pat and Amy were on a diet for 4 months. Pat lost an average of 3 pounds a month, and Amy lost an average of 4 pounds a month.
4((−3) + (−4))

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pokemonboy2020 pokemonboy2020 · Answer 1 · 2020-09-20T01:25:36+02:00

Answer:

The statements that correctly represent the scenario stated are:

B. because losing 8 pounds is represented as -8 and doing this for 3 months would be 3 groups of -8 or 3 x -8

D. because they showed the weight loss as a negative integer and then put those into groups of 4 each using the distributive property)

The error with the other 2 choices is that the negative number is not correctly representing which part of the problem is a decrease. The negative sign is placed on the number of groups of.

Step-by-step explanation: