Решите уравнение 2/9x=5/12 ,4/15 y=2/5

Question

Решите уравнение 2/9x=5/12 ,4/15 y=2/5

Answer 1

2/9х=5/12
х=5/12:2/9
х=5/12*9/2
х=15/8
х=1 7/8

4/15у=2/5
у=2/5:4/15
у=2/5*15/4
у=3/2
у= 1 1/2

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