Answer:
The answer is B: Store Z has the best sale price of $28.
Step-by-step explanation:
Store X: $29.75
Store Y: $30
Store Z: $28
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If there is a porpotional relationship then it there will be a pattern like, 7, 14, 21 etc. You can tell because the line will go straight in a perfect line and won't go at a different andle from the rest of the line.
0.45
90/2=45% chance they will go 110/2=55% chance they won't go
