When subtracting 190 from 550, what should be done at the tens place?
A
Regroup 5 tens and 0 ones to 4 tens and 10 ones.
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B
No regrouping is required to subtract the given numbers.
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C
Regroup 9 tens and 0 ones to 8 tens and 10 ones.
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D
Regroup 5 hundreds 5 tens to 4 hundreds and 15 tens.
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Solution
The correct option is D Regroup 5 hundreds 5 tens to 4 hundreds and 15 tens. Let’s observe the digits in the tens place of the given numbers.
We note that 5<9.
Since we cannot subtract 9 tens from 5 tens, we regroup 5 hundreds and 5 tens to 4 hundreds and 15 tens.