Question

Jo is on the phone with a gardener who asks about the square feet of Jo's backyard. Jo counts 20 steps long and 40 steps wide (with each step being about 3 feet). About how many square feet is the backyard?

a. 120 ft2

b.360 ft2

c. 800 ft2

d. 7,200 ft2

Answer 1

The answer is option d which is
`7200ft^2`.

Explanation:

As Jo counts 20 steps long with 1 step=3 feet so;

length =
`20*3=60` feet

also 40 steps wide with 1 step = 3 feet so;

width =
`40*3=120` feet

thus the area will be

`Area = length * width =`
`60*120=7200ft^2`

`Area =7200ft^2`

thus the backyard is 7200 square feet.