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13-02-2020
Mathematics

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In 10 years, a child’s age will be 6 years less than triple her current age. Find the child’s current age.

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13-02-2020

Answer:

Her current age is 8 years old.

Step-by-step explanation:

Current age: x

"In 10 years, a child’s age will be 6 years less than triple her current age."

In 10 years: x + 10

6 years less than triple: 3x - 6

x + 10 = 3x - 6

solve.

16 = 2x

x = 8

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