Question

Pls help me..................

Answer 1

Hello.
With what?

~Roni

Answer 2

$142.60

Explanation:

an increase of 15% on the original cost of 100% means

percentage increase = 100% + 15% = 115% , then

cost = 115% × $124 =
`(115)/(100)` × $124 = 1.15 × $124 = $142.60