The length of each side of a square is
increased by 6 inches, so the perimeter
is now 36 inches. Write and solve an
equation to find the original length of
each side of the square.

Equation: 4x + 24 = 36

solution: x = 3

Step-by-step explanation:

let x be the length of the square’s side

this statement “The length of each side of a square is increased by 6 inches, so the perimeter is now 36 inches” means 4×(x + 6) = 36

4×(x + 6) = 36 ⇔ 4x + 24 = 36

                      ⇔ 4x = 12

                      ⇔ x = 3

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.