Question

The perimeter of a rectangular field is 380 yd. The length is 70 yd longer than the width. Find the dimensions.​

Answer 1

60 x 130

Explanation:

w

____

| |

w+70 | | w+70

| |

---------

w

add all the sides

2(w+70)+2w=380

2w+140+2w=380

4w+140=380

move the 140 to the other side of the =

4w=380-140

4w=240

divide both sides by 4

w=60

to get the length plug in 60 to w+70 to get 130 and width is just 60.