Answer:
Step-by-step explanation:
Decrease = 100 - 49 = 51
Percentage of decrease =

= 51%
Assume that pi is approx. 3.14. Then 86.92 = approx. 27 2/3 times pi, or
86.92 is approx. equal to 83pi/3.
Mark as brainlist___________________________________
Answer:
4x+18
Step-by-step explanation:
Length = x+3+x+3
width = x+3-x= 3
perimeter = x+3+x+3+x+3+x+3+3+3=4x+18
Create equal fractions to find the number of hours he used the health club for.
2/13=x/29.25
Then, simplify so that x is by itself.
(29.25x2)/13 = x
x= 58.5/13
x=4.5 hours