Emily has a coupon for 20% off of her purchase at the store. she finds a backpack that she likes on the discount rack. it’s original price is $60 but everything on the rack comes with the 30% discount. Emily says 30% and 20% make 50% so I will cost $30 is Emily correct explain what price will Emily pay for the backpack

$38.40 new price.   Usual coupons give 20% only off the sale price if this is the case for the backpack you would need to show both answers one of 50% if both coupons allowed. Second workings would be your answer 30% of $60 = $18 and 20% further =$3.60 $18+$3.60= $21.60 full 20% discount on store 30% discount.

Therefore you can see $60-21.60 = $38.40 new price.

This is $21.60 discount and appears to be 36.8%

Step-by-step explanation:

the perimeter is increased by a factor of 2

astronomers is your final answer! : )