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July 7, 2015

Homework Help: math,correction

Posted by jasmine20 on Monday, January 29, 2007 at 3:39pm.

Number problems. You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.

okay this is what i have:

Let d be the number of dimes and q be the number of quarters.
Then the value of the dimes is 10d cents; Value of the quarters is 25q cents.

Inequality: 10d + 25q = 3000

is the correct form for inequality or do i have to use another greater than or equal sign instead of the "="

use the greater than or =

=>

If its an inequality statement, then an = sign by itself if not an inequality; rather, it is a equality.

Then would this be correct.

10d + 25q <=3000

No. You have it less than thirty dollars.

that means it should be:

10d+25q>=3000

yes. The change is equal to or greater than thirty dollars.

thank you.

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