Answer:
11
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let the original cost be x
The shoppers get 10% of the original price
Therefore the equation to find final cost =
Discount: 10x/100
Final Cost: 90x/100
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Each family sits together. They all sit on adjacent 3 seats. 3! x 3! X 3! X 3! And they can be rearranged in 4! Ways.
Total ways = (3!)^4 x 4!=6^4 x 24=31104
There are 31104 ways they can be seated in a row of twelve seats