Billy is twice as old as his son. In 10 years, the ratio of their ages will be 5:3. Find their present ages
Added by Jenna K.
Step 1
From the problem, we know that Billy is twice as old as his son, so we can write this as B = 2S. In 10 years, the ratio of their ages will be 5:3. This means that (B+10)/(S+10) = 5/3. We can now solve these two equations simultaneously. Substitute B = 2S into Show more…
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