Question

Jill weighs 120 pounds and is gaining ten pounds each month. Paris weighs 150 pounds and is gaining 4 pounds each month. How many months, m, will it take for Jill to weigh the same as Paris?

Question 3 options:

6 months


12 months


5 months


10 months

Answer 1

5 months

Explanation:

To solve this problem, we need to create and algebraic equation for when Jill's weight will be equal to Paris's. If we take their current weight and then add the additional weight gain per month times the number of months, we can calculate the amount of time it will take for their weight to be equal by solving for m.

`120+10m=150+4m\\10m-4m=150-120\\6m=30\\m=5`