Answer:
10
Step-by-step explanation:
For every lawn mowed, the amount earned increases by 10 dollars
let's firstly convert it to an improper fraction.

Answer: x = 4, y = 3
<u>Step-by-step explanation:</u>
and 
Using substitution method we get:

Answer:
-242
Step-by-step explanation:
I am Cermet
150 % of 200
150 / 100 = 1.5
1.5 * 200 = 300
hope this helps!.