if 2y 15 is a multiple of 9 find y
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Prem wanted to tell the story of the reptiles to the people of his village so that they would realize their mistake. He wanted them to stop hating each other and put an end to the violence
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Answer:
a number is divisible by 9 is sum of digit is multiple of 9
2+y+1+5=8+y
y is digit so having value from 0 to 9
8+y has value from 8 to 17
between 8 to 17 only multiple of 9 is 9
8+y=9
y=1
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