140. If 150 in 1 case and double that is 300 for 2 cases which she uses everyday. 2 for everyday x a week is 7 x 2 = 14
Answer:
I think if you take the two of the equations and subtract them from eachother then youll get a number being x=(blank) then just subsitute it in for the third equation and see if it works. (sorry if this doesnt help)
Step-by-step explanation:
Answer:
48
Step-by-step explanation:
91+41+?=180
91+41=132
180-132=48
<span>(x + 2) (x - 2) = x^2 – 4
answer
</span><span>B.x – 2</span>
Answer:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
