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17 votes
Pre-algebra question help

Pre-algebra question help-example-1
User Joe Plante
by
6.8k points

1 Answer

11 votes

Explanation:

step 1. 15n + 75v = 330, n - v = 2.

step 2. This is a system. solve the system.

step 3. multiply the 2nd equation by 15 and subtract from the 1st equation.

step 4. 90v = 300. v = 10/3

step 5. n - 10/3 = 2. n = 16/3.

step 6. new = 10/3, vintage = 16/3.

step 7. either they sell games in thirds or the question has a mistake.

User Jaksky
by
7.2k points
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