document.write( "Question 1133523: Mellisa’s grandmother gave her $50 for her birthday. Melissa also saved $20 each week of her own money for vacation. She knows she will need $500 for vacation. How many weeks will it take her to have enough money for vacation? \n" ); document.write( "
Algebra.Com's Answer #750765 by rothauserc(4718)\"\" \"About 
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let n be the number of weeks Melissa needs to work
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\n" ); document.write( "20n +50 = 500
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\n" ); document.write( "20n = 450
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\n" ); document.write( "n = 22.5
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\n" ); document.write( "Melissa needs to work 23 weeks
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