Math, asked by qwerty62437, 10 months ago

0.04x +0.02y =5 , 0.5x - 0.04y = 30 using substitution method

Answers

Answered by ravi9848267328

Answer:

x=69

y=112

Step-by-step explanation:

0.04x+0.02y=5----->(1)*2

0.5x-0.04y=30------>(2)

0.08x+0.04y=10

0.5x-0.04y=30

and solving 1 n 2

0.58x=40

x=69

0.04y=10-0.08x

0.04y=10-5.52

y=112

qwerty62437: how the third step came ?

qwerty62437: plzz explain

ravi9848267328: which one

qwerty62437: the third step

qwerty62437: 0.08x+0.04y=10 this one

qwerty62437: and sorry the question is 0.04x +0.02y =5 , 0.5x - 0.4y = 30 using substitution method

qwerty62437: sorry for the mistake

Previous Question

Next Question