SOLUTION: In one week, a music store sold 9 guitars for a total of $3611. Electric guitars sold for $479 each and acoustic guitars sold for $339 each. How many of each type of guitar were so
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Question 269076: In one week, a music store sold 9 guitars for a total of $3611. Electric guitars sold for $479 each and acoustic guitars sold for $339 each. How many of each type of guitar were sold? Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! In one week, a music store sold 9 guitars for a total of $3611. Electric guitars sold for $479 each and acoustic guitars sold for $339 each. How many of each type of guitar were sold?
Let electric guitars sold be x
elec guitars------------- acous guitars-------------- total
x-------------------------- 9-x------------------------9
479-------------------------339-----------------------3611
479*x+(9-x)*339=3611
479x + 3051- 339x=3611
140x= 3611-3051
140x=560
x=4 ------------ Electric gutars
9-4 = 5 Number of Acoustic guitars
