Answer:
C) 21 ft x 36 ft
Step-by-step explanation:
Because 7 * 3 = 21 ft & 12 * 3 = 36 ft
7.5
2057
2 2
$56.88
amount paying for sales tax---> $2.28
amount paying for tip---> $9.1
amount paying for car wash---> $45.50
$2.28 + $9.1 + $45.50= $<u><em>56.88</em></u>