Math, asked by melodies, 1 year ago

if 4 x + 3 Y is 78 and 3X/2 Y =27/22. How much is y-x ?

Answers

Answered by alphonseombaka

1

2.2

Step-by-step explanation:

4X+3Y=78

3X/2Y=27/22

66X=54Y

4X+3Y=74

66X-54Y=0

264X+198Y=5148

264X-216Y=0

414Y=5148

Y=12.4

X=10.2

12.4-10.2=2.2

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