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mario62 [17]
3 years ago
8

ASAP ANSWER PLZ The chemicals in my swimming pool use a ratio of 5 tablets of chlorine for every 14 days. Which ratio shows the

number of chlorine tablets needed for 42 days?
Mathematics
2 answers:
aliina [53]3 years ago
3 0
42days × (5tablets/14days ) =15 tablets
Dmitry_Shevchenko [17]3 years ago
3 0
<span>5 tablets ................... 14 days
x tablets ................... 42 days

x = 5 * 42 / 14 = 210 / 14 = 15 tablets

B. 15 to 42
</span>
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Answer:

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Step-by-step explanation:

The cost of each pen = 15 pence

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The cost reduction (discount) on the items bought = 1/5

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The amount the school pays = The total cost of the writing materials - The discount

The amount the school pays = £40.50 - $8.10 =  £32.40

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