Problema Solution
Mike worked 2 more hours on Saturday than on Friday. He worked 15 hours in the two days. How long die he work on Saturday?
Answer provided by our tutors
let
s = the number of hours Mike worked on Saturday
f = the number of hours Mike worked on Friday
Mike worked 2 more hours on Saturday than on Friday
s = f + 2
he worked 15 hours in the two days
s + f = 15
by solving the system of equations
s = f + 2
s + f = 15
we find
f = 6.5 hr
s = 8.5 hr
click here to see the step by step solution of the system of equations
Mike worked 8.5 hours on Saturday.