I need help with this problem, I'm unsure as whether to distribute the h or not.
Solve for "a"
D=1/5h(a-b)
As well as this...
An actor invests some money at 7%, and 47,000 more than four times the amount at 12% The total annual interest earned from the investment is 49640. How much did he invest in each amount?
He invested ___ at 7% and ___ at 12%