Answer:

Step-by-step explanation:
Let the variable be 'x'.
- Sum of 3 and x = x + 3
- 4 times the sum of 3 and x = 4 (x + 3)
Expression : 4 (x + 3)
On expanding ,
4 (x + 3)
= (4*x) + (4*3)
= 4x + 12 ⟶ equivalent expression to the statement .

15x30= 450 sq ft
450/2.25= 200
so 200 people can fit in an area of 15x30
Answer:
59sq meters
Step-by-step explanation:
A=L*W
A/W=L
165/22=7.5
7.5=Length
P=L+L+W+W
7.5+7.5+22+22=59sq meters
The value of the X must be 74 in. ..
Answer:
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Step-by-step explanation: