# math

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a man paid \$8.50 for a small pump and 8 feet of tubing.he paid 12 times as much for the pump as for each foot of tubing.how much did the pump cost? the tubing?

• math -

let cost of tube be \$x per foot
then cost of pump is \$12x

12x + 8x = 8.5
solve for x

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