Anna types 160 words in 2 minutes. How many words does Anna type in 1 hour at this rate?

Mathematics

2 answers:

8090 [49]3 years ago

6 0

Answer:

4,640.

Step-by-step explanation:

Since Anna is typing 160 words per 2 minutes, and 2 minutes to fit in an hour would be 29, then multiply 29 and 160 to get your answer. Which is 4,640. Hope this helps!

laiz [17]3 years ago

5 0

Answer:

4800 words

Step-by-step explanation:

First calculate the number of words Anna types in 1 minute:

160 / 2

= 80 words

In 1 hour, there is 60 minutes. So just multiply the number of words Anna types in 1 minute with 60 to get the answer.

80 x 60

=4800 words

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stiks02 [169]

Answer:

C) At most one sample is mutated

Step-by-step explanation:

If there are 15 samples, it means that 15 is the total (100%) of samples. Then, if we know that there is a chance that 3% are mutated, then we calculate the 3% of 15:

$Mutated= \frac{3. 15}{100} = 0.45$