Homework Help: Math

Posted by Emily on Tuesday, December 20, 2011 at 8:00pm.

A total number of 121 people came to the school science fair this year. This number is 7 MORE than TWICE the number of people who came last year's science fair.
How many people came last year?

Math - Damon, Tuesday, December 20, 2011 at 8:35pm
121 = 7 + 2 n
114 = 2 n
n = 57

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