Answer:
$7.9 /hour
Step-by-step explanation:
$316/40 = $7. 9per hour
ANSWER
The solution is
x=-3,y=-2
EXPLANATION
First equation
3x – 3y = –3
Second Equation:
5x – y = –13
Multiply the second equation by 3 to get:
Third equation:
15x-3y=-39
Subtract the first equation from the third equation:


Divide both sides by 12,

Put x=-3 into the first equation:


Group like terms,



The solution is
x=-3,y=-2
Because 16/5 and 48/15 are equivalent fractions
Answer:
7. Option D
9. Option B
10. Option C
Step-by-step explanation:
It is a very low probability because forty percent is purple