answer: 60
age difference is 30 years
10x4=40
40-10=30
when she is 30 he will be 60 because 30(her age) + 30 (age difference) = 60
Answer:
oop xc
Step-by-step explanation:
5) 3.96 gallons
6) 6.09 kilograms
2
Subtract 1 from 7, and then divide 6 by 3.
