142k views
5 votes
6. Petra wants to buy a skateboard. the skateboard deck usually costs

10 points
$37.50, but it is on sale for 20% off. If the sales tax rate is 5.2%, how
much will Petra pay for the skateboard deck in all?

1 Answer

6 votes

Answer:

$31.56

Explanation:

We know

Skateboard cost: $37.50

20% off, so 80% left = 0.8

5.2 tax + 100% = 105.2% = 1.052

So, we have the equation

37.50 (0.8) (1.052) = $31.56

So, Petra will pay $31.56 for the skateboard deck in all!

User Elirigobeli
by
3.5k points