SOLUTION: thirty years from now Jose will be eight Times as old as he was12 years ago

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Question 1153091: thirty years from now Jose will be eight Times as old as he was12 years ago
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
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thirty years from now Jose will be eight Times as old as he was12 years ago
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j, Jose today

highlight_green%28%28j%2B30%29=8%28j-12%29%29


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j%2B30=8j-8%2A12
30%2B12%2A8=7j
30%2B96=7j
126=7j
j=18

Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Let x be his age 12 years ago; then 8x will be his age 30 years from now.

The difference between 8x and x is 7x; the difference between 12 years ago and 30 years from now is 42 years.

So 7x = 42; x = 6.

His age 12 years ago was x = 6; so his current age is 18.