Respuesta :
You need to use multiplication.
3 x 9 = 27
2 x 12 = 24
Now add 24 and 27 wich make 51.
3 x 9 = 27
2 x 12 = 24
Now add 24 and 27 wich make 51.
total cost=shirtcost+shortscost
shirtcost=number of shirts time cost per shirt
shirtcost=3 times 9=$27
shortscost=number of shirts times cost per short
shortcost=2 times 12=$24
total cost=27+24=51
total is $51
shirtcost=number of shirts time cost per shirt
shirtcost=3 times 9=$27
shortscost=number of shirts times cost per short
shortcost=2 times 12=$24
total cost=27+24=51
total is $51