Which should be calculated first to solve this problem?
West's mother gave him $40 to spend at the toy store to buy presents for his cousins. West already had $20 saved from doing errands. West bought 3 toy trucks for $9.99 each and a basketball for $8.99. West had to pay 9% tax on his purchases. How much did West spend?
A.
the cost of 3 basketballs
B.
the total cost of one toy trucks and one basketball
C.
the amount of tax paid
D.
the cost of 3 toy trucks
