Well first to find out how much the cookies are on sale you do
So on sale each cookie is 40 cents each, now to figure out the normal price add 75 cent to the sale price so:
So that gives us $1.15
So the normal price for the cookies is $1.15 and the sale price is $0.40 cents
Answer:
X=10
X=-8
Step-by-step explanation:
(x+1)*(x-3)=77
x²-3x+x-3=77
x²-2x-3=77
x²-2x-3-77=0
x²-2x-80=0
(x-10)*(x+8)=0
x-10 = 0
x=10
x+8=0
X=-8
Answer:
Numbers that can be expressed as a ratio of two number (p/q form) are termed as a rational number. ... Both the numerator and denominator are whole numbers, in which the denominator is not equal to zero. Irrational numbers cannot be written in fractional form.