Answer:
109.2
Step-by-step explanation:
If the number being divided does not end in 5 or 0, it being divided by 5 will not be equal. Therefor it might be better to try and use a calculator if you can't do it in your head.
Multiply the first equation by -1
-3x-y=-4
2x+y=5
Add them up
-x=1
So x=-1
And y=7
So the first option is correct
Answer:
NOT true:
A, C, D
Step-by-step explanation:
1/3 of 30 would be 10. So 10 students walk to school.
Answer:
2.64 sales tax
Step-by-step explanation:
hope i helped you