The length of a rectangle is 1ft less than 3 times the width. There is 310 ft squared. Find the dimension of the rectangle.

310

Step-by-step explanation:

l=-1+3w

l=3w-1

l*w=310

(3w-1)*w=310

3w^2-w-310=0

w= 31/3

w= 10 1/3

l=31/3*3-1

l=30

30*31/3=10*31=310

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step-by-step explanation:

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6