Kanika bought a hair band from a shop for rs.15. two months later she went back went back to the shop and purchased the same hair band for rs.12. during two months by what percentage did the price drop?

the percentage by which the price dropped is 20%

Step-by-step explanation:

The initial price at which Kanika bought the hair band from the shop is RS.15.

Two months later, she went back to the shop and purchased the same hair band for RS.12. The amount by which the price of the hair band dropped would be 15 - 12 = RS.3

The percentage by which the price dropped during two months would be

3/15 × 100 = 0.2 × 100 = 20℅

what are the options? ?

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: