Answer:
The answer is -5......Please mark me as a brainlist..
Answer:
x=45
Step-by-step explanation:
Its A trapezium
For Calculations Refer to the attachment
rate of blowing balloons of Alexa = 15/20 = 0.75
rate of blowing balloons of Sara = 18/25 = 0.72
rate of blowing balloons of Shirley= 16/21 = 0.76
rate of blowing balloons of Sam = 12/23 = 0.52
from above calculation we concluded Shirley can blow balloons at the fastest rate!