Answer :
It will take 15 weeks for both Jon and Matt to weigh the same.
Given:
Jon : 148 lbs and gain 2lbs a week
Matt : 193 lbs and lose 1lb a week
Find the number of weeks until they both weigh the same.
Jon = Matt
148 + 2w = 193 - 1w
2w + 1w = 193 - 148
3w = 45
w = 45/3
w = 15
To check:
148 + 2(15) = 193 - 1(15)
148 + 30 = 193 - 15
178 = 178
Given:
Jon : 148 lbs and gain 2lbs a week
Matt : 193 lbs and lose 1lb a week
Find the number of weeks until they both weigh the same.
Jon = Matt
148 + 2w = 193 - 1w
2w + 1w = 193 - 148
3w = 45
w = 45/3
w = 15
To check:
148 + 2(15) = 193 - 1(15)
148 + 30 = 193 - 15
178 = 178