Question 159688
1.50X+.25(10-X)=.5*10
1.5X+2.5-.25X=5
1.25X=5-2.5
1.25X=2.5
X=2.5/1.25
X=2 CUPS OF $1.50 OLIVE OIL IS USED.
10-2=8 CUPS OF $.25 VINEGAR IS USED.
PROOF:
1.5*2+.25*8=5
3+2=5
5=5