Question

My son has a math homework that neither he nor I know the answer can anybody help us?: Helen's house is located on a rectangular lot that is 1 1/8 miles by 9/10 mile. Estimate the distance around the lot.

Answer 1

The distance around lot is 4 miles

Solution:

Given that the rectangular lot is
`1(1)/(8)` mile by
`(9)/(10)` mile

To find: Distance around the lot

Distance around the lot means we have to find the perimeter of rectangular lot

From given question,

`length = 1(1)/(8) = (8 * 1+1)/(8) = (9)/(8) \text{ miles}`

`width = (9)/(10) \text{ miles }`

The perimeter of rectangle is given as:

perimeter = 2(length + width)

Substituting the length and width, we get

`perimeter = 2((9)/(8) + (9)/(10))\\\\perimeter = 2(1.125 + 0.9)\\\\perimeter = 2(2.025) = 4.05\\\\perimeter = 4.05 \approx 4`

Thus distance around lot is 4 miles