Harold was 5 years older than Mary. In 10 years he found that 4 times his age exceeded twice Mary's age by only 50. How old were Harold and Mary in the beginning?

Question

Mathematics

Kara Baird

4 September, 07:28

Harold was 5 years older than Mary. In 10 years he found that 4 times his age exceeded twice Mary's age by only 50. How old were Harold and Mary in the beginning?

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Answers (1)

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Summer Forbes · Answer 1

in the beginning

Harold X+5

Mary X

In 10 years

Harold X+5+10 X+15

Mary X+10

4 (X+15) - 2 (X+10) = 50

4X+60-2X-20=50

2X+40=50

2X=50-40

2X=10

X = 10:2

X=5

Harold At The Beginning 5+5=10

Mary At The Beginning 5