Question

Blair opens his investment account with $500. He loses $15.45 the first month, and then gains $35.68 the second month. If his net gain after 3 months is $40, how much money did he gain in the 3rd month? *

Answer 1

can you help me with this .

Answer 2

let his gain in third month be x

-15.45 + 35.68 + x = 40
x = 19.77