X+y=24 so we can say
x=24-y making 3x+5y=100 become
3(24-y)+5y=100
72-3y+5y=100
72+2y=100
2y=28
y=14, since x=24-y
x=10
So there are 10 3-point questions and 14 5-point questions.
Answer:
Jan 2, 2019 — Here are 10 tips to help you fast safely. ... Because you get around 20–30% of the fluid your body needs from food, it's quite easy to get ...
Step-by-step explanation:
Answer:
81
Step-by-step explanation:
A composite number has factor more than just one and itself.
Factors of 81=
1, 3, 9, 27, 81
Answer:
what the heck
was that also i'm country
Step-by-step explanation:
Answer:
x = 57
Step-by-step explanation:
x−53 = 4
Add 53 to each side
x-53+53 = 4+53
x = 57