X = rate of mechanic who worked 5 hours
y = rate of mechanic who worked 15 hours
x + y = 200
5x + 15y = 1950
you find the first variable in one of the equations, then subsitute the result into the other equation. your answer would be:
the mechanic who worked for 5 hours charged $105 per hour, the one who worked 15 hours charged $95 per hour.
hope this helps :)
Answer hey:
Step-by-step explanation:
Divide both sides by -3 and the answer s=-2a + 30
Powers shared by the state and federal government are known as concurrent powers.
Answer:
8.61%
61.29%
14.86%
20%
Step-by-step explanation:
