DOES ANYONE UNDERSTAND????A store is having a sale on trail mix and jelly beans. For 2 pounds of trail mix and 5 pounds of jelly beans, the total cost is $10 . For 8 pounds of trail mix and 3 pounds of jelly beans, the total cost is $23 . Find the cost for each pound of trail mix and each pound of jelly beans.
Accepted Solution
A:
Answer:let cost of each pound of trail mix be x any y respectivelyFor 2 pounds of trail mix and 5 pounds of jelly beans, the total cost is $102x +5y = 10.....(1)For 8 pounds of trail mix and 3 pounds of jelly beans, the total cost is $238x +3y = 23.....(2)2x +5y= 10 ....... × 4 8x +20y = 40.....(3)8x +3y = 23 ( from (2))(3) - (2)17y = 17 y= 18x +3y = 238x +3 = 238x= 20x= 2.5 Cost for each pound of trail mix= $2.5Cost for each pound of jelly beans= $1