Question

NEED HELP: The dimensions of a rectangle are 10 feet by 15 feet respectively. If each of the dimensions is increased by the same amount, the perimeter of the new rectangle is 28 feet more than the perimeter of the old rectangle. Find the amount increase.

Answer 1

What's the perimeter of the original rectangle?

Answer 2

it doesn't say, that's all the info. it gives

Answer 3

that's it?

Answer 4

that's the original rectangle, what's the perimeter of that?

Answer 5

40?

Answer 6

close, but no

Answer 7

add up all the sides

Answer 8

oh, 50

Answer 9

ok keep that in mind

Answer 10

okay

Answer 11

Let x = amount we'll increase each dimension

Answer 12

Now increase each dimension by x feet to get