how much a shopkeeper should earn in a month so , that after paying 30% tax on it he can have rupees 10,000 with him?
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Step-by-step explanation:
It is given that 72% of 25 students are good in mathematics.
Therefore,
Percentage of students who are not good in mathematics = (100 − 72)%
= 28%
∴Number of students who are not good in mathematics = 28/100*5
= 7
Thus, 7 students are not good in mathematics
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