work out the total cost of 45 drinks at 52p each. Give your answer in pounds.

PLEASE SHOW THE WORKING OUT.
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1 Answer

Since 45=9×5 we can do the sum in pieces.

First multiply £0.52 by 9=£4.68 then by 5: 5×4.68=£23.40 (you can do this by multiplying by 10=£46.80 and dividing by 2=£23.40). So the total cost is £23.40.

(There are other shortcuts you can use.)
by Top Rated User (1.2m points)

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