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Q: What number has 31 tens and no ones?

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What number has 9 tens and 4 fewer ones than tens

31, 53, 97

99

8 tens 2 ones

ud

38 has three tens and eight ones.

31

2*100 + 31*10 + 27*1 = 200 + 310 + 27 = 537

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

539 tens and 2 ones

310

There is no four digit number where the ones is twice the tens, the hundreds is five less than the ones, and the thousands is the sum of the tens and hundreds. int ones, tens, hundreds, thousands; for (thousands=1; thousands<10; thousands++) { /**/ for (hundreds=0; hundreds<10; hundreds++) { /**/ /**/ for (tens=0; tens<10; tens++) { /**/ /**/ /**/ for (ones=0; ones<10; ones++) { /**/ /**/ /**/ /**/ if (ones != 2 * tens) break; /**/ /**/ /**/ /**/ if (hundreds != ones - 5) break; /**/ /**/ /**/ /**/ if (thousands != tens + hundreds) break; /**/ /**/ /**/ /**/ printf ("dd\n", thousands, hundreds, tens, ones); /**/ /**/ /**/ } /**/ /**/ } /**/ } }

The first (left most) digit is the number of tens and the other is the number of ones. So 57 = 5 tens plus 7 ones = 50 + 7 = 57

16

230

230.

3.) 92 = 9 tens and 2 ones = 8 tens and

well 7 tens is 70 and 8 tens is 80 and the number containts 4 ones so it would be 74.

Write 87 tens and 2 ones as a base ten number.

51

427 = 42 tens, plus 7 ones

16 tens=160, 160+15 ones=175. The answer is 175.

you write it like this:13.0 because even though there's a number in the ones spot since there is a number in the tens spot it makes it 13 tens

23971

709

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