Mike observed that 75% of the students of a school liked skating. If 35 students of the school did not like skating, the number
1 answer:
Answer:
75
Step-by-step explanation:
If 75% of the students like skating, that means 35% of the students don't like skating.
35% of the students corresponds to 35 students that do not like skating.
Then to find the number of students who like skating we use the following logical computation,
35% represents 35 people then how much does 75% represent
⇒
=
Therefore,
The number of students who like skating was 75.
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That's a 33% increase.
I calculated this using the formula:
Where n = the new value (16 in your question), o = the old value (12 in your question) and the result is outputted as a percent increase. You can check that this is correct by finding 33% of 12, adding the result to 12, and checking that the result equals your "new" number.
Note that 33% is only an approximation as your question requires a number rounded to the nearest whole.
I calculated this using the formula:
Where n = the new value (16 in your question), o = the old value (12 in your question) and the result is outputted as a percent increase. You can check that this is correct by finding 33% of 12, adding the result to 12, and checking that the result equals your "new" number.
Note that 33% is only an approximation as your question requires a number rounded to the nearest whole.