Answer:
The ans is 15
Step-by-step explanation:
Answer: 1) B is correct, constant of variation is -2.
Step-by-step explanation:
1)
Direct variation states that a relationship between the two variables. we say y varies directly as x
i.e, or y =kx.................[1] ; where k is the constant of variation.
Given the equation:
Divide both sides by -4 we get;
Simplify:
.......[2]
On comparing equation [2] with [1] we get;
k = -2
<span>2(7/9)-(1/4) = 47/36 = 1 11/36</span>
Yes you would have enough for 2 batches of cookies