The cost of 5 kg of potatoes is £3.60 The cost of 1/2 kg of carrots is 31p
Work out the total cost of 13 kg of potatoes and 2 1/2 kg of carrots.

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step-by-step explanation:

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1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: