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4 snickers bar and 2 hersheys milk chocolate bar contain a total of 1500 calories. 1 snickers bar and 3 hersheys milk chocolate bar contain a total of 900 calories. How amny calories are in each kind of bar?

set up a system of two equations first and solve it.

The boiling point of water is affected by atmospheric pressure which changes with altitude. Gresham Oregon is 314 feet above sea level and at standard atmospheric pressure water will boil at 211.6degrees F. The altitude in Denver, Colorado is 5280 feet and water will boil at 202.4 degrees F.

a. Write an equation for the boiling point of water in terms of altitude. Assume the relationship is linear. Show all work.

b. What does the Vertical Intercept mean?

c. Timberline lodge is at an altitude of about 6000 feet. What is the boiling point of water at Timberline lodge?

Mr. P is thinking to get a cell phone plan for 450 minutes per month for $40.00. Each additional minute is $0.45. Set up an equation for the monthly bill for this plan in terms of minutes used. assuming that Mr.P talks for more than 450 minutes per month. Use equation to find the values in the table.

Number of minutes used Monthly bill

450

451

452

453

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