the average winter snowfall for a city, for December, January, and February is 17.9in per month. If the city receives 20in of snow in December and 22in of snow in January, how much snow is required in February to exceed the 3-month winter average?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter12: Sequences, Series And Binomial Theorem
Section12.3: Geometric Sequences And Series
Problem 12.57TI: What is the total effect on the economy of a government tax rebate of $1,000 to each household in...
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1. the average winter snowfall for a city, for December, January, and February is 17.9in per month. If the city receives 20in of snow in December and 22in of snow in January, how much snow is required in February to exceed the 3-month winter average?

2. Suppose that Walmart offers 30% off of all diaper purchases in exchange for paying $78 annually to join their diaper club, and that this reduces the price of a package of 216 diapers that usually sells for $45.97 to $32.18. Write an equation that provides the total cost C of buying x boxes of diapers in one year with club membership.

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