Answer:
The father is 75 years old
Step-by-step explanation:
30-5=25 years (sons age)
25×3=75 years old (father)
Area of Rectangle = Width × Length
Area = 600 Sq ft
Width = 20
Length = L
20L = 600
L = 600/20 = 30
Floor is 30' long
I think you mean |-7.9| which is the absolute value of 7.9
Absolute value just means how far away it is from zero on a number line.
So the value is always positive. So the positive of -7.9 is 7.9
|-7.9|= 7.9
Good luck!
Please brainliest
