Answer:
C. 
Step-by-step explanation:
Width = x
Length = one fifth of width minus 2
Length = 
Perimeter is given by the formula








The expression would be $0.20 x f. Once you figure out what the 'f' variable stands for, you have to multiply it by $0.20, and you will have your answer.
Blue 2/10
Reds 4/10
Greens 3/10
Yellow 1/10
Not blue 8/10
Hope this is right
Answer:
1.75 × 10^3
Step-by-step explanation:
4x10^6=4000000
7x10^9=7000000000
7000000000 divided by 4000000 = 1750
1750=1.75 x 10^3