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Nikitich [7]
3 years ago
15

A chemist is conducting an experiment which involves a certain chemical reaction. He begins the experiment with 666 milliliters

of the chemical, which is consumed by the reaction at a varying rate that is no more than 13 milliliters per minute. Partway through the experiment, the chemist measures the amount of chemical remaining. If there are 562 milliliters of the chemical left, what is the smallest number of minutes that could have passed?
Mathematics
1 answer:
Ket [755]3 years ago
4 0

Answer:

8 Minutes

Step-by-step explanation:

since we are trying to find how many minutes have passed we first need to find how much substance was used during the time. we can do that by subtracting the leftover substance from the amount we started with.

666-562 = 104

Now that we know how much substance was used we can then use our conversion rate (13 per minute) and find how many minutes have passed by dividing.

104 / 13 = 8

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Answer:

The watch is cheaper in Geneva, Switzerland by a value of £20

Step-by-step explanation:

To get the city in which the watch is cheaper, what we need to do is to express the price of the watch in the same currency.

Since pounds is also used in the b part of the question, it would be easier working with it.

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£1 = 1.55 CHF

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We can calculate this by subtracting the value in Geneva from the value in Manchester

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Step-by-step explanation:

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Answer:

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I hope this helps!
~kaikers
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3 years ago
Read 2 more answers
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