3 years ago

An secondary school have 250 students 30% in the First grade secondary and 35% Second grade secondary.

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

7 0

Answer:

third grade secondary = 87 students

Step-by-step explanation:

MaRussiya [10]3 years ago

4 0

Answer:

Third grade secondary = 87 students

Step-by-step explanation:

First grade = 30/100 x 250 = 75 students

Second grade = 35/100 x 250 = 87.5 rounded off to 88 students. Because students can't be half thus can't be in decimal. So round off to the nearest whole number.

Third grade = 250 - 88 - 75 = 87 students

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