Answer:
30%
Step-by-step explanation:
Percentage discount
☆ Discount= original price -selling price
27x30=810
37.5
so x% of 40 is 15
the equation for that is
x/100 * 40 = 15
40x/100 = 15
multiply 100 on both sides
40x = 1500
divide 40 on both sides
37.5% of 40 is 15
oh this is the topic we are talking on in my class
0.06