A student claims that 8^3 •8^-5 is greater than 1..
1 answer:
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Given:
Henry can type 3500 words in 70 minutes.
Colin can type 1500 in 30 minutes.
Brian can type 2200 words in 40 minutes.
To find:
The person who types at the fastest rate of words per minute.
Solution:
We know that,
Using this formula, we get
Since 55>50, therefore Brian's types at the fastest rate of words per minute.
Answer
Find out the $4 is what percent of $50 .
To prove
By using the percentage formula
As given in the question
Part value = $4
Total value = $50
Put all the values in the percentage formula as mentioned above.
solving the above
Percentage = 8%
Therefore $4 is 8% of $50 .