How many tens should be added in the result after subtracting 10 units from 42 tens for getting sum 500
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Answered by
3
420 - 10 =410
410 + 9 tens = 500
410 + 9 tens = 500
Answered by
1
9 tens should be added to the result after subtracting 10 units from 42 tens for getting the sum five hundred.
=>x*10+42*10-10=500
=>10x+420-10=500
=>10x+410=500
=>10x=90
=>x=9
=>x*10+42*10-10=500
=>10x+420-10=500
=>10x+410=500
=>10x=90
=>x=9
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