On a test, Matilda answered 12 out of the first 15 problems correctly. If this rate continues, how many of the next 25 problems will she answer correctly?

Answer 1

Matilda gets #20# of the problems right.

Matilda answered #12# of the #15# problems or a ratio of #12/15#. This gives
#12/15 = 0.8 * 100% = 80%#
If she gets #80%# of the next set of #25# questions right
#25 * 0.8 = 20#
She will get #20# problems correct.
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Answer 2

If Matilda continues to answer questions at the same rate, she will answer approximately ( \frac{12}{15} ) of the next 25 problems correctly. To find the number of problems she will answer correctly, multiply this fraction by 25.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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