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oblem Solving
5.7.PS 15
Question Help
Mario bought 60 feet of wire for $13.80. He needs 20 more feet. If the unit price is the same, how
much will he pay for the extra 20 feet of wire?

What properties allow transformation to be used as a problem solving tool

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.