Mathematics: 25% of the students in a class got an a+ on a test. 30% of the rest got an a−. 40% of the rest got grade b. the rest of students scored lower than b. what percent of all students got a grade lower than b?

25% of the students in a class got an a+ on a test.

Ответ:

sandrathompson7250

15.03.2022

5% of the students got a grade lower than B. The percentage of students in each category should sum up to 1, or 100% of the students. Therefore, 100%-25%-30%-40%=5% of the students scored lower than B.

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Ответ:

jaymoore9542

02.08.2022

Mathematics

1/12

Step-by-step explanation:

3/4=9/12

12/12-9/12=3/12

(3/12)/3=1/12

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25% of the students in a class got an a+ on a test. 30% of the rest got an a−. 40% of the rest got grade b. the rest of students scored lower than b. what percent of all students got a grade lower than b?

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