Question

0.05x + 0.2y = 0.07
0.3x + 0.1y = 0.03

Answer 1

Answer:

100(.05x+.2y=.07)

=5x+20y =7 that gives y= (7-5x)/20 ....eq1

100(.3x +.1y =.03) that gives 30x+10y=3 ....eq 2

30x +  10((7-5x)/20)=3 that gives us x=1/55

and y= -39/110

Explanation:

plz solve 30x +  10((7-5x)/20)=3

by your self i am not sure about the ans