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4 years ago

11

Please show work thanks!

2 answers:

Ainat [17]4 years ago

5 0

Masha's speed was 4 km/h

alukav5142 [94]4 years ago

4 0

Let X be speed of Dina and Y be speed of Masha and let T for Dina
X*T=10
Y*T=10-2
X=5
Y=?

X*T=10
Y*T=8
5*T=10
T=2
Y*T=8
Y*2=8
Y=4

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