We have the expression all we have to do is plug in the numbers
3.25 * 4 + 2 * 6
13 + 12
25
Your answer is $25.00
3.25b+2h= $ total 3.25(4) + 2(6)=$ 13+12=$ 25=$ 3.25b+2h=25 if b=4 and h=6