Simple distance calculation - Basic Algebra

Oct 13th, 2015
Anonymous
Category:
Mathematics
Price: $5 USD

Question description

joe rides bike 3 miles from his house to the store. then he rides his bike 7 miles from the store to his friends house. then he rides his bike home. he dosent know how far it is from his friends house to his own house, but knows that he biked 15 miles in all.

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