So austin went to a museum for 2 hours he spent 3/5 of his time looking at skeletons and 1/3 of his time looking at a water how much time did he have left

Given this information, which expression must represent the value of b?

What is 60.9643790503 to 5 decimal

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip