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4 years ago

If elephant grass grows 2 1/3 inches a day, how many inches will it grow in 8 days?

Mathematics

2 answers:

geniusboy [140]4 years ago

8 0

2 1/3 * 8 = 16 8/3 or 18 2/3 inches in 8 days.

Ksju [112]4 years ago

6 0

Answer: The required length by which the elephant grows in 8 days is $18\dfrac{2}{3}~\textup{inches}.$

Step-by-step explanation: Given that an elephant grows $2\dfrac{1}{3}$ inches a day.

We are to find the length by which it grow in 8 days.

We will be using the UNITARY method to solve the given problem.

In 1 day, the length by which the elephant grow is

$2\dfrac{1}{3}=\dfrac{7}{3}~\textup{inches}.$

Therefore, the length by which the elephant grow in 8 ways is given by

$\dfrac{7}{3}\times8=\dfrac{56}{3}=18\dfrac{2}{3}~\textup{inches}.$

Thus, the required length by which the elephant grows in 8 days is $18\dfrac{2}{3}~\textup{inches}.$

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Here's a little tip for you. Any number can be converted to fraction if you use 1 as the denominator:

So now that we've converted 56 into a fraction, to work out the answer, we put the fraction 7/8 side by side with our new fraction, 56/1 so that we can multiply those two fractions.

That's right, all you need to do is convert the whole number to a fraction and then multiply the numerators and denominators. Let's take a look:

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You can use our handy GCF calculator to work this out yourself if you want to. We already did that, and the GCF of 392 and 8 is 8.

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The complete and simplified answer to the question what is 7/8 of 56 is:

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