Two numbers are n and 2(n+3). a The sum of the numbers is 90. Write down an equation to show this. b Solve the equation. c Find the two numbers.

asked Apr 4, 2021 43.5k views

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Two numbers are n and 2(n+3).

a The sum of the numbers is 90.
Write down an equation to show this.
b Solve the equation.
c Find the two numbers.

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Answer:

Explanation:

N +2(n+3)=90

N+2n+6=90

3n=84

N=28 (1st number)

2(n+3)=2(28+3)=2*31=62 (2nd number)

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