the difference between molly and chase's age is 35. if molly is 3 times chase's age plus an additional 10 years how old are they?

Chase's age ----- x

Molly's age ----- 3x+10

3x+10 - x = 35
2x = 25
x= 12.5

Chase is 12.5 yrs
Molly is 47.5 yrs

check:
difference is their ages is 47.5-12.5 = 35
is Molly 3times as old as Chase plus 10?
3 times Chase's age is 37.5
10 more give 47.5

Answer is correct.