02/13/15

solving system of equations by substitution
2b=6a-14 3a-b=7
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Expert Answers •1

02/13/15

solving system of equations by substitution
x-2y=-1 3y=x+4
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Expert Answers •1

01/28/15

word problem
one year, mr.newby and his wife wilma together earned $47000. if mr.newby earned $4000 more than wilma earned that year, how much did each earn?
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Expert Answers •4

01/28/15

word problem
a dealer has some hard candy worth $2.00 a pound and some worth $3.00 a pound. he wishes to make a mixture of 80 pounds that he can sell for $2.20 a pound. how many pounds of each kind should he use?
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Expert Answers •2

01/27/15

word problems
a dealer sold 200 tennis racquets. some were sold at $18 each, and the rest $33 each. the total receipts from these sales were $4800. how many of each racquets were sold?
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Expert Answers •1

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