At healthy hair, the cost of a child's
haircut is $4 and the cost of an adult
haircut is $14. the sales from the 42
haircuts given on friday were $588. how
many adults and children had haircuts on
friday? the answer is the solution to the
following system.
4c+14a = $588
tota=42
a. which method will you use to solve
this system: graphing, substitution, or
elimination? explain why.

http://www.elginschools.org/userfiles/179/Classes/7004//userfiles/179/my%20files/module%2011%20review%20key.pdf?id=11326

Step-by-step explanation:

Go There i put the key online with explanation

36

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.