Roscoe's family has a dinner at a restaurant. The total cost is $103.80. This includes 5% tax and 15% tip on the pre-tax amount.
1 answer:
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Answer:
x2 = 60
Step-by-step explanation:
If the variables x and y are inversely proportional, the product x * y is a constant.
So using x1 and y1 we can find the value of this constant:
Now, we can use the same constant to find x2:
So the value of x2 is 60.