Answer:
$162
Step-by-step explanation:
I assume there was a typo and the formula is 12h+30w
hours= h= 6
number of wagons sold= w= 3
12(6) +30(3)= 72+90= 162
Shade 3 boxes vertically and 5 boxes horizontally and then you have to use that to just solve the problem because the boxes represent the fractions
