-2x=15-7y
x=-7.5+3.5y
-3x-8y=4
-3(7.5+3.5y)-8y=4
-22.5-10.5y-8y=4
-22.5-18.5y=4
-18.5y=4+22.5
-18.5y=26.5
y=-53/35
the fraction might not be in lowest terms.
Maybe prime number considering that 11 has no other factors. Hope I helped
Answer:
18 people are in his class.
Step-by-step explanation:
27/8 / 3/16
27/8*16/3
I know for a fact that 1, 2 and 4 are correct. I'm almost positive 3 and 5 are right too
1. B
2.D
3.D
4.B
5.D