Respuesta :
Answer:
8.88 dollars so D
Step-by-step explanation:
Answer:
$8.88
Step-by-step explanation:
$74 / 10 = $7.40 [price per one book]
x/7.40 = 120/100 [here we are comparing our final answer (x) to a 20% markup (120) and saying that 7.40 is our 100% of x]
100x = 888 [simplify]
x = 8.88 [simplify]