$\frac{1}{2}x+\frac{1}{4}y=6 \ \ \ |\times 2 \\
\frac{1}{5}x+\frac{1}{3}y=1 \ \ \ |\times (-5) \\ \\
x+\frac{1}{2}y=12 \\
\underline{-x-\frac{5}{3}y=-5} \\
\frac{1}{2}y-\frac{5}{3}y=12-5 \\
\frac{3}{6}y-\frac{10}{6}y=7 \\
-\frac{7}{6}y=7 \\
y=7 \times (-\frac{6}{7}) \\
y=-6 \\ \\
x+\frac{1}{2}y=12 \\
x+\frac{1}{2} \times (-6)=12 \\
x-3=12 \\
x=12+3 \\
x=15 \\ \\
\boxed{(x,y)=(15,-6)}$

3 0

3 years ago

Read 2 more answers

Explain your answer !! Have a nice day Will give braisnlt

pashok25 [27]

Answer:

3x+2y=15--------(1)

4x+2y=20--------(2)

then, 2y=15-3x------(3)

putting value of 2y in equation (2)

4x+15-3x=20

x=5

then after , putting value of x in eq(3)

y=(15-15)/2

y=0

5 0

3 years ago

Munson's Sporting Goods purchases bowling balls from the manufacturer for a whole sale price of $50 each.There is a 60% mark up

Serhud [2]

The bowling balls are $80 each

8 0

3 years ago