The art supply store is having a sale. Paint sets are 20% off and everything else is 15% off. Before the discount, a paint set is priced at $43.50, a canvas is $12.75, and paint brushes are $7.50. Mary purchases all three of these items. About how much did Mary spend after the discount, before sales tax? Group of answer choices

Step-by-step explanation:

Step one:

given

paint set= $43.50

20% off 43.50

20/100*43.50

0.2*43.50

=$8.7

43.5-8.7

new price of paint set=$34.8

canvas=$12.75

15% off 12.75

15/100*12.75

0.15*12.75

=1.9125

=12.75-1.9125

new price of canvas=$10.83

paint brushes are $7.50

15% off $7.5

15/100*7.5

0.15*7.5

=1.125

=7.5-1.125

new price of paint brush=$6.38

total =$34.8+$10.83+$6.38= $39.25

the answer is a if my teacher taught me correct

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734