7 tens and 20 ones is 7 × 10 + 20 × 1 = 70 + 20 = 90 (ninety).
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To find the number that is the same as 6 tens and 12 ones, we need to understand the concept of place value. In the number 6 tens and 12 ones, the digit 6 represents the number of tens and the digit 2 represents the number of ones. Therefore, the number is 62.
74
3 tens is equal to the number 30, and 3 ones is equal to the number 3.So, 3 tens and 3 ones is 33; and 67 minus 33 (or 67 less33) is 34.You could also look at the number 67 and see that it is 6 tens and 7 ones. Then it is easier to say "6 tens and 7 ones minus 3 tens and 3 ones = 34"because:6 tens minus 3 tens = 3 tens, and 7 ones minus 3 ones = four ones.3 tens and four ones = 34
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The number that has 9 tens and 7 fewer ones than tens is 83. This is because 9 tens equal 90, and if we have 7 fewer ones than tens, we subtract 7 from the tens place, giving us 90 - 7 = 83. Therefore, the number with 9 tens and 7 fewer ones than tens is 83.