Answer:
Sylvia needs 12 l of orange juice and 9 l of pineapple juice.
Step-by-step explanation:
triple means multiplying by 3
so multiply 4 l of orange juice by 3 and 3 l of pineapple juice by 3
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(−1/2,1/2)
Equation Form:
x=−1/2,y=1/2
6
3/4*8=6
r=-6
6r-7r=13-7
-r=6