Step-by-step explanation:
let,the sum of the ages of chukwu & Caroline be X & Y.
now,
X+y=45
X-y=3
(+) (+) (-)
__________
2x=42
or,X=42/2
or,X=21
putting the value of X,
X+y=45
or, 21+y=45
or,y=45-21
or,y=24
therefore,X=21
y=24
Answer:
154m
Step-by-step explanation:
You do: 19+7=26
180-26=154
That is how you get the answer
Answer:
<u>To prove:</u>
<u>Expand the square:</u>
- 9x² + 6x + 4 = (9x² + 6x + 3) + 1 = 3(3x² + 2x + 1) + 1 = 3y + 1
Each football is sold for $9.95. To make one of these football costs $7.10.
There is a profit of $2.85. Divide 11,400 by 2.85 to see how many footballs would have to sell to break even.
11,400 / 2.85 = 4000.
4000 footballs would have to be sold to break even.
Answer:
Step-by-step explanation:
Sslsl
