Respuesta :

Answer:

B) $23.45

C) $157.50

A + B + C = $330.95

Step-by-step explanation:

$6.70 × 20 = $137 17.5% of $137 = $23.45

45c × 350 = $157.5

$150 + $23.45 + $157.50 = 330.95