document.write( "Question 842163: When Lily was 3 months old, she weighed 10 pounds. She is gaining about 3/4 of a pound each month. How much should she weigh after 18 months? \n" ); document.write( "
Algebra.Com's Answer #507410 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "When Lily was 3 months old, she weighed 10 pounds. 
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document.write( "She is gaining about 3/4 of a pound each month. 
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document.write( "How much should she weigh after 18 months?
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document.write( "Let x represent the number of months:
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document.write( " weight = (3/4)(x-3) + 10lb
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document.write( " weight at 18mo  = (3/4)(18-3) + 10lb = 21.25lb   0r 21 1⁄4 lb 
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