Answer:
x=3
Step-by-step explanation:
2x + 1 = 3x - 2
2x +3 = 3x
2x-3x= -1x
-1x = -3/-1
x=3
25% chance of guessing each question correctly
50% chance to guess one correctly
We will call:
M=Mari
J=Jen
Initial equations:
M=2J
M+J=480
(the fact that they work 20 hours a week is not needed in this problem information)
Plug in:
2J+J=480
3J=480
J=160
Jen makes $160 a week.
Therefore:
M=2J
M=2(160)
M=320
Mari makes $320 per week
Jen makes $160 per week
The formula for the area of a trapezoid is A=1/2(base one+base two)h
All you have to do is find the base one, base two, and height using the given information and then plug it into the equation.
Answer:
Five more than a number
Step-by-step explanation:
