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SoWhat2237
25.03.2020 •
Mathematics
The number of students in a school club increased from 40 to 44. By what percent did the number of students in the club increase? Round to the nearest whole percent.
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Ответ:
10%.
Step-by-step explanation:
Given:
The number of students in a school club increased from 40 to 44.
To find:
By what percent did the number of students in the club increase?
Solution:
First of all we will find by how much the number of students increased.
In the past, number of students in a club = 40
At present, number of students in a club = 44
Increased in number of students = 44 - 40 = 4
Now, we will find percent increased in the number of students in a club.
Increased in number of students divided by In the past, number of students in a club multiplied by 100
Thus, the number of students in a club increased by 10%.
Ответ:
(4t-8/5) - (3-4/3t)= 16/3t-23/5