Anew club sent out 343 coupons to boost sales for next year's memberships. they provided 6 times as many to potential members than to existing members. how many coupons did they send to existing members?

The answer is 57 coupons

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: