To find a fraction equivalent to 3/5 multiply both top and bottom numbers by the same number .Example of answer 6/10.
Set up a proportion. take 3/6 = 20/x
Cross multiply 3 * x = 6 * 20
Simplify 3x = 120
Divide by 3 x = 40
So the denominator of the bottom fraction is 40
The total cost would be 200
Answer:
7 = 7 * 10 = 70
Step-by-step explanation:
Length=x
Width=4x
4x•x=400 sq cm
x= 10 cm
4x= 40 cm
P=2•10cm+2•40 cm
=100 cm
