Anthony paid a 20% tip on a $15 dinner bill. Liam paid a 15% tip on his dinner bill, and left the same dollar amount as the tip Anthony left. How much did Liam's dinner cost, before the tip?

A. $3
B. $15
C. $20
D. $23

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Maria solved an equation as shown below. what is the solution to maria’s equation?

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32