Choose the correct answer from the given four alternaVes. In a school, 58% of the total numbers of students are boys. If the num
ber of girls is 840, how many students are there in the class?
1 answer:
Answer:
2000 students (840 are girls and 1160 are boys)
Step-by-step explanation:
Let X be the total number of students. Let G and B stand for the total number of Girls and Boys, respectively.
We are told that 58% are boys:
0.58X = B
This means 42% are girls:
0.42X = G
We are told that G = 840
0.42X = 840
X = 2000 students
====
Since 0.58X = B
0.58(2000) = 1160 boys
1160 boys
840 girls
2000 total students
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