Answer:
Step-by-step explanation:
x + 3y = 24.....multiply by -1
5x + 3y = 36
------------------
-x - 3y = -24 (result of multiplying by -1)
5x + 3y = 36
------------------add
4x = 12
x = 12/4
x = 3 <=======
x + 3y = 24
3 + 3y = 24
3y = 24 - 3
3y = 21
y = 21/3
y = 7 <========
Answer:
I think either A or B. not sure though
Step-by-step explanation:
Anwser would be 18/14 simplified to 9/7
A.........................................
If each there are 40 pencils, then divide to find how much each pencil is.
37.20 / 40 = $0.93
Correct answer is D.
After solving, we see that buying the case of 40 pencils is cheaper than buying 40 individual pencils.
Hope This Helped! Good Luck!
