Rey buys a skateboard for 89.98 and helmet for $ 44.85 on tax-free day at a sports store. the store clerk gives rey discount of $ 18.50 for both items. rey gives the clerk $150. how much change should he receive? explain why your answer is reasonable

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

$75.00

step-by-step explanation:

i = prt

i = 1,5000 * 0.025 * 2

i = 75