Answer:
1. $67.72
2. It's correct.
Step-by-step explanation:
1.
bill: $68.89
discount: $10
tip: 15%
Calculate the total with the discount.
68.89-10=58.89
Now calculate 15% of that.
Convert 15% to decimal by dividing by 100

Multiply

Add this to the original amount.

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Calculate 20% of 148.25
Convert 20% to decimals by dividing by 100

Multiply
This is how much they will tip.
Add this to the original bill;

Answer:
−0.78r − 5.67
Step-by-step explanation:
Answer: 
Step-by-step explanation:
In the geometric sequence we can see each time we are dividing by 5. That is the same as multiplying by
so that is the common ratio.
Answer:
Step-by-step explanation:
產品 1 14 20 13
產品 2 15 11 18
產品 3 12 15 16
The answer would be 98
7+7=14
14•7=98