Question

Aaron had twice as many stamps as Howard. After Howard had used up 15 stamps, Aaron had 4 times as many stamps as Howard. How many stamps did Aaron have?​

Answer 1

Answer: 60 stamps

Explanation:

a=2h

a=4(h-15)

2h=4(h-15)

h=2(h-15)

h=2h-30

-h=-30

h=30

a=2h

a=2*30

a=60 stamps