A grocery store sells two brands of sauerkraut. Brand X sells for $4.26 per jar while the No-Name brand sells for $3.62 per jar. If 33 jars were sold for a total of $133.54, how many jars of each brand were sold?
There were ____ jar(s) of Brand X sold.
There were ____ jar(s) of No-name brand sold.
Solution:-
Let A be the No. of X brand items sold
Let B be the No. of no name brand items sold
X brrand sold for $4.26
NO name brand sold for $3.62
Total jars sold = A+B = 33 -------> EQUATION 1
Total amount of jars sold for = $133.54
A*4.26 + B*3.62 = $133.54 ---------> EQUATION 2
Multiply equation 1 with 3.62
A*3.62 + B*3.62 = $119.46 ----------> EQUATION 3
Substract equation 3 from equation 2
A*4.26 + B*3.62 - A*3.62 - B*3.62 = $133.54 - $119.46
A *0.64 = 14.08
A = 14.08 / 0.64
= 22
We can substitute A in From equation 1
22 + B = 33
B = 11
Therefore there are 22 jars of brand X were sold
There were 11 jars of No name brands were sold
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