# Math130 HELP

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A compass and a ruler cost \$5. The compass cost .70 cents more the the ruler. Jow much does the compass cost?

• Math130 HELP -

5/2=2.5
2.5+.7=3.20
2.5-.7=1.8

Compass cost \$3.20
Ruler cost \$1.80

• Math130 HELP -

In Paul's bicycle shop 40 bikes are needed new tires and 27 needed gear repairs, what is the greatest number of bikes could have neede both and the least number of bikes that could have needed both

• Math130 HELP -

Her compass does not cost 70 cents more than her ruler.

cost of ruler --- x
cost of compass --- x=70

x + x+70 = 500
2x = 430
x = 215

Ruler costs \$2.15, compass costs \$2.85.

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