How do you get the answer (3/7)w-11=-(4/7)w

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