Darlene wants to buy a sweater that originally cost $56. It is on sale for 40% off. Sales tax is 7.5%. What is the final price of the sweater with tax?

Group of answer choices

$58.80

$36.12

$31.08

$55.68

$36.12

Step-by-step explanation:

56*40%=22.40 amount off

56-22.40=33.60 price of sweater

33.60*7.5%=2.52 tax amount

33.60+2.52=36.12 total amount

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,