Question

plz help me The perimeter of a rectangle is 90ft. the ratio of its length to its width is 8:7. What are the dimensions of the rectangle?

30ft by 15ft

26ft by 19ft

24ft by 21ft

20ft by25ft

Answer 1

8:7...added = 15

(8/15(90) / 2= 48/2 = 24
(7/15(90) / 2 = 42/2 = 21

dimensions are : 24 ft by 21 ft