Answer:
24.19
Step-by-step explanation:

or the value of x can be 24.20
Perimeter = (2 lengths) + (2 widths) or 2(length + width).
2 (22 + 68.8) = 2 (90.8) = <u>181.6</u>
8 + 2.5f
for 8 flowers....f = 8
8 + 2.5(8) =
8 + 20 = $ 28 <=== so it will cost $ 28 <==
Answer: Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3 =45 hours.
Step-by-step explanation:
Given : Duration of Tina practiced piano last month= 15 hours
Duration of Tina practiced piano this month= 45 hours
We can see 45 is a multiple of 15 such that 
Therefore, Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3= 45 hours.