Hillary ---- x
trump ---- x+3
Seven years ago:
Hillary --- x-7
Trump --- x+3 - 7 = x - 4
a) x-4 = 2(x-7)
solve for x
b) solve: x-7 + x-4 = 45
Trump is 3 years older than Hillary. Seven years ago trump was twice as old as Hillary .
i) how old are they now?
ii) when will the sum of their ages be 45?
2 answers
correction:
b) once you have the value of x
solve:
x+t + x+3+t = 45
b) once you have the value of x
solve:
x+t + x+3+t = 45
3 answers