Greg bought three comic books on sale. The total cost of his purchase with 8% sales tax is given by the expression 3b + 0.08(3b), where b is the price of one book. If b = $3.50, how much did Greg pay all together? $7.02 $11.34 $13.02 $111.09
Accepted Solution
A:
Answer:The amount Greg paid all together is $11.34.Step-by-step explanation:Here, the total cost expression is given as C(b) = 3b + 0.08(3b)Now, given b = $3.50.Substituting the value of b in the cost expression, So, the cost value = 3 ( $3.50) + 0.08 (3) ($3.50) = 10.5 + 0.84 = 10.78or, C = $11.34Hence, the amount Greg paid all together is $11.34.