A pair of running shoes, regularly priced at $75, is marked down 20% for summer clearance. If sales tax of 8% is tacked on to the purchase price, how much will Mike pay for these shoes during the sale?

$55.20

$60

$64.80

$66

$81

Question

A pair of running shoes, regularly priced at $75, is marked down 20% for summer clearance. If sales tax of 8% is tacked on to the purchase price, how much will Mike pay for these shoes during the sale?

$55.20

$60

$64.80

$66

$81

anonymous · Answer

$$75\times 0.8\times (1.08)$$

anonymous · Answer

how did u get 1.08?

anonymous · Answer

decrease a number by 20% multiply by $0.8$
increase a number by 8% multiply by $1.08$

anonymous · Answer

1) if you get 20% off you pay 80% of the price
2) if you add 8% to P you will get $p+.08P=(1.08)P$ by the distributive law
increase by 8% multiply by $1.08$

anonymous · Answer

so 75* 0.8* 1.08 will give me the answer?