Question
A rectangular garden measure 15m by 10m. When each side is increased by the same amount, the area of the garden is doubled. Find the dimensions of the new garden.
Answers
Ms. Sue
2(15 * 10) = 300
Can you take it from there?
Can you take it from there?
Sara Graf
Can you explain more
Ms. Sue
The original garden has 150 square meters. The new garden has 300 square meters.
Add the same number to the original dimensions so that their product is 300.
A = LW
Add the same number to the original dimensions so that their product is 300.
A = LW
Sara Graf
Ok let me try that
Sara Graf
I got
L=17.4
W= 12.4
But it's not right because when I multiply them I don't get 300
L=17.4
W= 12.4
But it's not right because when I multiply them I don't get 300
Ms. Sue
Hint: The dimensions must be multiples of 5.
Sara Graf
I got it thank u so much
Ms. Sue
You're very welcome.