40% is 0.40(1.40)x=49.99x=49.99/1.4x=35.71
cost = $35.71
Answer:1/12 or 8.3
Step-by-step explanation:
all of them except the last efg and bcd
Answer:
x^2-3x=4
x^2-3x-4=0
x^2-4x+x-4=0
x(x-4)+1(x-4)=0
(x+1)(x-4)=0
x=-1,4
x- intercepts in the point (-1,0) and (4,0)
