Answer:
Step-by-step explanation:
Price assuming he bought all large flags: 
Amount of money more: 
Difference of price in both flags: 
Medium Flags: 
Large Flags: 
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The reason why this works, is because the amount of money more comes from the difference between both flags.
Answer:
The correct system of inequalities is b.
Answer:
true
Step-by-step explanation:
5x + 4x = 9x
3y + 7y = 10y
8 + 34 = 42