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The sum of jason and mandy age is 35. ten years ago jason was double mandys age. how olda er they noew

The sum of jason and mandy age is 35. ten years ago jason was double mandys age. how olda er they noew
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The sum of jason and mandy age is 35. ten years ago jason was double mandys age. how olda er they noew

User Andreas Pasternak
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1 Answer

7 votes
Today:
j+m=35
10 years ago: Jason: j-10; Mandy: m-10

j-10=2(m-10) \\ j-10=2m-20 \\ j=2m-10 \\ \\ j+m=35 \\ 2m-10+m=35 \\ 3m=45 \\ m=15 \\ \\ j=2(15)-10=20
User Rdanusha
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