Problem
Manny has a part time job as a waiter. He makes $45 per day plus tips. He has calculated that his average tip is 12% of the total amount his customers spend on food and beverages.
a) Define variables and write an equation in intercept form to represent Manny's daily income in terms of the amount his customers spend on food and beverages.
b) Graph this relationship for food and beverage amounts between $0 and $900
and
Paula is cross training for a triathlon in which she cycles, swims, and runs. Before designing an exercise program for Paula, her coach consults a table listing rates for calories she burned in various activities.
a) On Monday, Paula starts her workout by biking for 30 minutes and then swimming. Write an equation for the calories she burns on Monday in terms of the number of minutes she swims.
Activity Calories Burnt (per min)
Biking 3.8
Swimming 6.9
If you guys could tell me how and explain it would be great! :P
