Question

jasmine has $15 dollars and save $2.50 every month . radha has $0 and save $3.50 every month. jasmines savings after x months can be represented by the function f(x)=2.5x+15. radahs savings after x months can be represented by the function g(x)=3.5x after how any moths will they both have the same amount in savings? find the value of x which f(x)=g(x)

Answer 1

2.5x+15 = 3.5x

subtract 2.5x from each side

15 = x

they will have the same amount after 15 months