Question

I set it to 25 points...

Use the distributive property to write an equivalent expression

1. 5y + 10
2. 10n + 15g

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The expression 10n + 13n + 75 represents the total cost in dollars for skis, boots, and a lesson for n skiers. Simplify the expression. Then find the total cost for 7 skiers.

Answer 1

See below

Explanation:

1. 5y+10

divide by 5

5(y+2)

2. 10n+15g

divide by 5

5(2n+3g)

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10n+13n+75

add like terms

23n+75

You cannot simplify more because 23 is a prime number

n=7

substitute for n

23(7)+75

multiply

161+75

add

236