Posted by **Cody** on Monday, October 19, 2009 at 12:31pm.

Keith wrote the expression 10d to represent the number of dimes in d dollars. Is Keith's expression correct? Explain.

- Math -
**Ms. Sue**, Monday, October 19, 2009 at 12:36pm
Right.

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**Cody**, Monday, October 19, 2009 at 12:47pm
Can you explain? I was thinking that d/10 would be the answer, since there are 10 dimes in a dollar. If the expression was 10d wouldn't that mean 10 dimes X 1 dollar?

- Math -
**Ms. Sue**, Monday, October 19, 2009 at 1:24pm
10 dimes = $1.00

20 dimes = $2.00

30 dimes = $3.00

So --

10 times 3 = 30

10 times 4 = 40

- Math -
**leah**, Wednesday, March 27, 2013 at 5:41pm
5 doller bills and 3 dimes

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