Question

Please help

problem 4 I took picture of

problem 13
the perimeter of a rectangle is 336 inches. the ratio of the length to the width is 9:5. Find the length of the rectangle.

problem 16
a blueprint for a house states that 2 inches on the blueprint represent 8 feet. If the width of a window is 2.5 inches on the blueprint, what is the actual windows with? ​

Answer 1

Since 2 inches represent 8 feet then 2.5 would represent x feet so

2/8 = 2.5/x

By doing cross multiplication :

2 x = 20 --> x = 10 feet

Explanation: