Answer:
x = 1 y = 2
Step-by-step explanation:
x + 3y = 7
- Subtract x from both sides.
3y = -x + 7
- Divide both sides by 3 to isolate the variable.
y = -1/3x + 7/3
- Plug the value of y into the other equation.
3x + 4(-1/3x + 7/3) = 11
3x - 4/3x + 28/3 = 11
- Add like terms.
5/3x + 28/3 = 11
5/3x = 5/3
x = 1
- Plug the value of x into the equation.
x + 3y = 7
(1) + 3y = 7
3y = 6
y = 2
Answer:
$157.89
Step-by-step explanation:
you could say that 150 is 95% of what the original bill was
in equation form: 150 = .95x
150/.95 = 158.89
158.89 = x
65%=0,65
30×0,65=19,5 <-----------
No, they're not proportional to each other
Answer:
answer is d
if this helps can i get brainliest
