Answer:
$0.21
Step-by-step explanation:
Let x be the amount of money earned per hour before raise and y be amount of money earned per hour after raise.
We have been given that before raise he worked 38 hours and earned $220. We can represent this information as:
We are also told that the next week, he received a raise. After raise he worked 30 hours and made $180. We can represent this information as:
.
Let us solve for x and y.
Therefore, before raise Mike earned $5.7894 per hour.


Therefore, after raise Mike earned $6 per hour.
Now let us subtract 5.7894 from 6 to find Mike's raise.


Therefore, amount of Mike's raise to the nearest cent is $0.21.
X= 20 y= 100
I hope it helped. Give Brainly if it help
D.-15x+30/7
-5(3x-6/7)=-15x+30/7
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
Step-by-step explanation:
Answer:im sorry its just for points
Step-by-step explanation: