3 years ago

Please solve this ASAP.

1 answer:

4 0

a. to find the percentage, we take the total amount of white squares and divide it over the total number of squares. So it's 5/20 = 25%

b. If 80% of the cost is laying the tiles, that means the rest of the cost comes in buying the tiles (20%) this means that the ratio of that would be

80% : 20%

or simplified to

4% : 1%

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