# math

I am greater than 4 tens and less than 5 tens I have 9 ones what number am I?

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1. What number has 4 in the tens place and 9 in the ones place?

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Ms. Sue
2. Just break it down

4 (10's)= 10+10+10+10 = 4*10 = 40

5 (10's)= 10+10+10+10+10 = 5*10 = 50

9 (1's)= 1+1+1+1+1+1+1+1+1= 9*1 = 9

You can also rewrite the problem this way

40 < x < 50

This means the number has to be between 40 and 50, but it must also have 9 ones or a nine in it. This narrows down the number to 49. It is a number greater than 40 (4 tens) and less than 50 (5 tens) with 9 ones included.

Hope this helped.

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3. 59

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4. 4 tens and 5 ones less than 769

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5. Terry has about 20 keys. Which number could be the exact number of keys that Terry has?

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6. It's 49

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7. 49

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8. I am greater than 4 tens and less than 5 tens.I have 9 ones.what am i

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9. 99

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10. Am greater than 14 and less than 5 tens I have 9 ones what number am I

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11. it is 45,
a- greater than 4 tens = 4 x 10 = 40
b- Less than 5 tens = 5 x 10 = 50
c- have nine ones = 9 x 1 = 9 = 4+5 of the number 45

It is 45!

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