Number of Students: In a certain school 80% of the students in first-year chemistry have had algebra. If there are 280 students in first-year chemistry, how many of them have had algebra?

Trent Carpenter

Trent Carpenter

Answered question

2021-03-02

Number of Students: In a certain school 80% of the students in first-year chemistry have had algebra. If there are 280 students in first-year chemistry, how many of them have had algebra?

Answer & Explanation

Laaibah Pitt

Laaibah Pitt

Skilled2021-03-03Added 98 answers

Step 1
Total number of students in first year chemistry is 280.
In which, 80% students have had algebra.
Therefore, 280×80100=28×8=224
Step 2
That is, 224 students have had algebra.
The number of students doesn’t had algebra is,
280224=56
Step 3
Result:
Students have had algebra:224.

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