A ratio shows us the number of times a number contains another number. The cost of cheese that is needed to make 6000g of potato cake is £12.86.
<h3>What is a Ratio?</h3>
A ratio shows us the number of times a number contains another number.
Given that the ratio of the ingredients is,
weight of potato: weight of cheese: weight of onion = 9: 2:1
Let the ingredients be mixed in the quantity 9x, 2x, and 1x, for 6000g of potato cake. Therefore, the value of x can be written as,

Hence, the value of x is 500.
Thus, the amount of cheese that will be needed is 2x,

Given that the cost of 175g of cheese is £2.25, therefore, the cost of 1g of cheese will be,

Now, the cost of 1000g of cheese will be,

Hence, the cost of cheese that is needed to make 6000g of potato cake is £12.86.
Learn more about Ratios:
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