Answer:
let F=fee; R=hourly rate=1.2F ; N=number of hours
Total charge=F+NR
Total charge=F+N(1.2F)
$470=F+7(1.2F)
$470=F+8.4F
$470=9.4F
$50=F ANSWER 1: Her fee is $50
Step-by-step explanation:
Answer:
x = -5
Step-by-step explanation:
Divide each term by 4 and simplify.

Move all terms not containing X to the right side of the equation.

Divide each term by 3 and simplify.

You can conclude that AE = DE because the triangles are about equal
Answer:
identity property of division
Step-by-step explanation:
Answer:
The first term is 42.
Step-by-step explanation:
The common difference is 142 - 140 = 2 so we have
50th term = a1 + 2(50 -1) = 140 where a1 is the first term
a1 + 98 = 140
a1 = 140 - 98 = 42.