Question

If you add 9 to a number and then multiply by 12, the product is 324. What was the original number ? [Hint: Start by dividing 324 by 12]



Plese slove this question tommor is my online exam​

Answer 1

Answer:

9

Step-by-step explanation:

324 = 3 times 100 + 2 times 10 + 4 times 1,

the remainder when dividing (324/9) is equal to 3 times (remainder of 100/9) + 2 times (remainder of 10/9) + 4 times (remainder of 1/9)

=3 times 1 + 2 times 1 + 4 times 1

=9

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