maths

1. Use the perimeter formula P = 2l + 2w to find the perimeter, P, of a rectangular lot if the width, w, is 60 feet and the length, l , is 80 feet.

2. Four times the sum of a number and four is 92. What is the number? Write out the equation, then solve the equation.

3. Given the formula for the perimeter of a rectangle, p = 2l + 2w, which answer would you get if you solve for l?

a.

b. 2w

c.

d.

4. Given the formula for perimeter of a rectangle, A= (b1 + b2), solve for b1?