Step-by-step explanation:
his father's age= 4x
his mother's age= 4x- 7
his age= x
x+4x+4x-7=101
x+ 4x+ 4x= 101+ 7
9x= 108
=
x= 12
Tesfa is 12 years old
Answer:
x=9
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
5(y−10)=−5
(5)(y)+(5)(−10)=−5(Distribute)
5y+−50=−5
5y−50=−5
Step 2: Add 50 to both sides.
5y−50+50=−5+50
5y=45
Step 3: Divide both sides by 5.
5y
5
=
45
5
Answer:
Step-by-step explanation:
Mia used One Third of the felt for her art project. 3/3 would be the whole felt together. Since one part of three sections was used up then this means that 1/3 was used.
You know when a squared number is ration when it is a perfect square like the square root of 25 is 5. The square root can't be a decimal.