Answer:
x=45
Step-by-step explanation:
The angles are supplementary
45+3x=180
-45
3x=135
divide by 3
x=45
Answer:
42
Step-by-step explanation:
Forming an algebraic equation and solving:
Let the number she thought = 'x'
5/6 of the number :
Multiply both sides by 6
5x = 35 * 6
Divide both sides by 5,
Answer: $4.20
Step-by-step explanation:
5 times a number subtracted from 3.
Hope this helps!
Answer: 3
Step-by-step explanation: