15% of 40 studentsare not good in mathematic. How many students are good in mathematics ?
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Answer:
34 students are good at mathematics
Step-by-step explanation:
15% of 40 are not good at mathematics.
=>15/100*40 students are not good at mathematics
=>600/100 students are not good at mathematics
=>6/1
=> 6 students are not good at mathematics.
=>40-6 students are good at mathematics
=>34 students are good at mathematics.
Hope it helps!
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