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Solve: -1/2x+2=-x+7

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k