Homework Help: math

Posted by Xio on Wednesday, March 20, 2013 at 11:04pm.

a piece of rope 3m 66 m long was cut into 2 pieces. the longer piece was twice as long as the shorter piece. What was the length of the longer piece?

math - Bosnian, Thursday, March 21, 2013 at 2:30am
If 3m 66m mean 3 m 66 cm then:

3 m 66 cm = 3.66 m

L = Longer piece

S = Shorter piece

L = 2 S

L + S = 3.66 m

2 S + S = 3.66 m

3 S = 3.66 m Divide both sides by 3

S = 3.66 m / 3

S = 1.22 m = 1 m 22 cm

L = 2 S = 2 * 1.22 m = 2.44 m = 2 m 44 cm

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