Question

Here is a garden and a pond.

The garden and the pond are rectangular..
14 m
garden
9 m
pond
2.4 m
3.8 m
v
grass
Kayla is covering the garden with seed.
She will not put any grass seed in the pond.
One box off grass seed covers 15m of the garden.
Work out the mumber of boxes off grass seed Kaydla meeds to cover the garden.

Answer 1

Kayla needs 8 boxes of grass seed to cover the whole garden without including the pond.

Explanation:

You can observe a representation of this problem in the image attached.

Notice that the grass seed is gonna be put only in the green zone, out of the pond. So, we need to find each area and subtract them.

`A_(garden)= 14 * 9 =126 \ m^(2) \\A_(pond)=2.4 * 3.8 = 9.12 \ m^(2)`

The difference is

`A_(seed)=126 - 9.12 = 116.88 \ m^(2)`

Now, according to the problem, one box of grass seed covers 15 meters of the garden, let's divide this number with the seed area.

`n=(116.88)/(15) \approx 7.792`

Therefore, Kayla needs 8 boxes of grass seed to cover the whole garden without including the pond.