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Question
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Solution
The correct option is A $7
Total cost = $70
Number of pens = 10
Cost of 1 pen = Total cost ÷ Number of pens
Dividing a number by 10 gives the last digit as remainder and the remaining digits as quotient.
Hence,
Quotient = 7
Remainder = 0
∴ The cost of each pen is $7.
Total cost = $70
Number of pens = 10
Cost of 1 pen = Total cost ÷ Number of pens
Dividing a number by 10 gives the last digit as remainder and the remaining digits as quotient.
Hence,
Quotient = 7
Remainder = 0
∴ The cost of each pen is $7.
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