x +y = 20 ( rewrite as x = 20-y)
3x - 3y =30
3(20-y) - 3y = 30
60-3y - 3y = 30
60-6y = 30
-6y = -30
y = -30 / -6 = 5
x=20-5 = 15
x = 15, y = 5
Answer:
The difference would be $7.20
Step-by-step explanation:
Multiply $2.40 times 3
16 sundaes
Because 22/11 = 2
32/2= 16
Find slope of both
#1
#2
Option C is correct
well it might take some time to get used to going on the work and doing it. then soon or later you will be used to going on online classes
