Unless you’re a maths whizz, you need to do what I did and try out the different combinations until you find a whole answer… You must try all possible combinations to make sure there isn’t another possible solution to the second statement. If there was, then the answer would be C

]]>17, 35, 51,68,85,102 19, 38,

and found the two corresponding prices to total 140. There are 2 unique sets of numbers that add up to 140, and only 2. Those two (6cakes and 2cakes equalling 8 cakes at 140).

If we only had (a), then one could assume that there were 8 $19 cakes made, so b was the most important part of information. Guess I, a liberal arts degree, am smarter than 63.5 of you!

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