three years ago, rica was thrice as old as daddy. Three years hence, she will be twice as old. Find thier present ages. show me the solution please....

Question

anonymous · Answer

Solve the following for rica and daddy
{(rica - 3) = 3 (daddy - 3), (rica + 3) = 2 ( daddy + 3)}
{rica = 21, daddy = 9}

anonymous · Answer

show me how to solve?

anonymous · Answer

Solve (rica - 3) = 3 (daddy - 3) for rica.
rica = 3(daddy - 2)
replace rica in the second equation with 3(daddy - 2)
3 + 3 (-2 + daddy) = 2 (3 + daddy)
Solve the above for daddy.
daddy = 9
Replace daddy with 9 in the first equation.
-3 + rica =18
rica = 21