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Q13 A gardener needs to buy compost to fill this tub.
The diagram shows the dimensions of the tub
0.5m (height)
0.25 m (width)
1.8m (length)
They buy compost in 50 litre bags.
1000 litres = 1m'
How many bags of compost must they buy?

Sagot :

sqdancefan

Answer:

  5 bags

Step-by-step explanation:

The volume of the tub is the product of its dimensions:

  V = (1.8 m)(0.5 m)(0.25 m) = 0.225 m³

There are 1000 L in 1 m³, so this volume in liters is ...

  (0.225 m³)(1000 L/m³) = 225 L

At 50 L per bag, the gardener needs ...

  (225 L)/(50 L/bag) = 4.5 bags

The gardener probably cannot purchase a partial bag, so must buy more than is needed.

The gardener must buy 5 bags of compost to fill the tub.

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