Please solve this ASAP.

Mathematics

1 answer:

Harman [31]3 years ago

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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Estimate using a rate per 100 of 74% of 315. 89% of 195

LiRa [457]

<span><span>1. </span>Given numbers:
74 % of 315
89% of 195

now, let’s solve the first given numbers:
=> 74% of 315
=> 315 is the 100%
Let’s convert 74% into decimals
=> 74% = .74
=> 315 * .74 = 233.1, the value of 74% of 315
Let’s solve the second given:
=> 89% of 195
where 195 is the 100%
=> 89% = .89
=> 195 * .89
=> 173.55, the value of 89% of 195</span>

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Step-by-step explanation:

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