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 (£)

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

441.50

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step-by-step explanation:

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