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You buy the following materials for the new extension.


Calculate the cost of the bricks and cement and then work out the total cost of all the materials.



Item

tonne of sand

bag of cement

bricks

Quantity

2

20

350



Cost per item

£75.00 per tonne

£6.70 per bag

45p per brick

Total Cost




Cost (£)

Respuesta :

mathstudent55

I assume you mean

2 tonnes of sand at £75.00 per tonne

20 bags of cement at £6.70 per bag

350 bricks at 45p each

If so, then

2 tonnes of sand at £75.00 per tonne = 2 * £75.00 = £150.00

20 bags of cement at £6.70 per bag = 20 * £6.70 = £134.00

350 bricks at 45p each = 350 * £0.45 = £157.50

Add the three amounts

£150.00 + £134.00 + £157.50 = £441.50

Answer: 441.50

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