SOLUTION: Mary bought a roll tape of 450 cm long..she cut it into equal numbers of 4cm and 5 cm strips.how many 4 cm strips did she get

Question 1049360: Mary bought a roll tape of 450 cm long..she cut it into equal numbers of 4cm and 5 cm strips.how many 4 cm strips did she get
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Mary bought a roll tape of 450 cm long..she cut it into equal numbers of 4cm and 5 cm strips.how many 4 cm strips did she get
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a = b
4a + 5b = 450 cm
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9a = 450
a = 50 (# of 4cm strips)
b = a = 50 (# of 5cm strips)
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Cheers,
Stan H.
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