document.write( "Question 178922: Joe ran short of cash. Deposited 200 in checking account. He needs cash to purchase a CD for $16.99 and a gift certificate for $25. He goes to ATM machine to access cash. The amount he can enter has to be a multiple of 20. How much money should Joe withdraw so that he will have enough for these two purchases?
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\n" ); document.write( "\n" ); document.write( "I know how much money he needs to withdraw but don't know how to put in algebra terms \n" ); document.write( "

Algebra.Com's Answer #133916 by Mathtut(3670) $\"\"$ $\"About$

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CD+gift cerficate is
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\n" ); document.write( "16.99+25=41.99 amount needed. lets call this N
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\n" ); document.write( "let cash withdrawn =C
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\n" ); document.write( "C=20x where x is positive integers
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\n" ); document.write( " $\"C%3E=N\"$
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\n" ); document.write( " $\"20x%3E=N\"$
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\n" ); document.write( " $\"x%3E=N%2F20\"$
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\n" ); document.write( " $\"x%3E=41.99%2F20=2.0995\"$
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\n" ); document.write( "there for x has to be the next positive integer which is 3
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\n" ); document.write( "20(3)=60 \n" ); document.write( "

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