How do I even start this question: Grace is three years younger than her sister Jane. Twice the sum of their ages is 4 more than their father's age. if their father is 54, find the ages of Grace and Jane.

Question

anonymous · Answer

$$g=j-3$$
$$2(g+j)=4+father$$

anonymous · Answer

When it says 4 more, does that mean 4 times or just adding on 4?

anonymous · Answer

i have four more candy's than you???

anonymous · Answer

it means +

anonymous · Answer

if it is times it will say times or product

anonymous · Answer

Oh ok

anonymous · Answer

So after doing that, what do I need to do?

anonymous · Answer

solve simultaniously
$$g=3+j$$
$$2(g+j)=4+54=58$$
substitute g in to equation (2)

anonymous · Answer

oh ok