...it’s 0.21 because 21% is 21/100 which makes it 0.21
7:4 is the constant and is your answer
Answer:

Step-by-step explanation:
We are given that
Width of pool, b=4.5 m
We have to find the inequality which represents the possible lengths of the wading pool.
Let x be the length of wading pool
We know that
Area of rectangle=
According to question
Using the formula

Divide by 4.5 on both sides we get

