Answer:
half a cup of flower -> 1/2
Step-by-step explanation:
i used a proportion to figure this out.
-x -7y=-15
y=3x-1
-x-7(3x-1)=-15
-x-21x+7=-15
-22x+7=-15
-22x=-15-7
-22x=-22
x=-22/-22
x=1
y=3(1)-1
y=3-1
y=2
(1, 2)
X=5
-3x+8=-7
-3x=-15