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

asked Sep 10, 2019 182k views

1 vote

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

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

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3 votes

$n+2(n+3)=90\\\\n+2n+6=90\\\\3n=84\\\\n=28\\\\2(28+3)=2\cdot31=62$

28 and 62

Jbfink answered Sep 16, 2019

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