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Answer:
Scale: 1:16
Porch length:
'
Step-by-step explanation:
In the floor plan the porch is 1 ft wide and in reality it is 16 ft wide, giving it a scale of 1:16.
The length of the porch can be found by

or by multiplying 5 by 16, then dividing by 12 to convert to feet.
Answer:
B. 30
Step-by-step explanation:
y ∝ x or y = k ⋅ x or k =
; k is constant of variation.
y = 24 ; x = 8 ∴ k =
= 3 ∴ y = 3 x. So When x = 10 ; y = 3 ⋅ 10 = 30
y = 30