sophie1228 sophie1228
  • 12-12-2019
  • Mathematics
contestada

The area of a rectangle is 135 inches squared. The ratio of the length to the width is 5:3. Find the length and the width

Respuesta :

ayeshanisar27
ayeshanisar27 ayeshanisar27
  • 14-12-2019

Answer:

l=15 inches

w=9 inches

Step-by-step explanation:

Area=135=l*w  

l*w=135           (equation 1)

l/w=5/3

l=5w/3

putting l=5w/3 in  equation 1

(5w/3)*w=135

5w^2/3=135

5w^2=135*3

w^2=(135*3)/5

w^2=81

Taking square root on both sides

w=9 inches

l*w=135

l=135/w

l=135/9

l=15 Inches

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