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6th Grade Pre-Algebra: Schneider Assignments - Week of October 18, 2014
Job #1 – Wright Engineering, Inc.
Title – Engineer
Pay – $18.50 an hour, plus 15% raise every month for 12 months
Hours - 50 hours a week
Solution:
Each week at first month payment: 18.50x50=925.
First month payment: 925x4=3,700
Payment per year:
3700(1st month)+3700*1.15(2nd month)+3700*1.15*1.15 (3rd
month)...+3700*1.15....*1.15 (12th month) =
3700(1+1.15+1.15*1.15...+1.15...*1.15) =
3700(1+1.15+1.32+1.52+1.75+2.01+2.31+2.66+3.06+3.52+4.05+4.66) =
3700*29.01 = 107337.
Payment per hour: 107337/(50*4*12)=44.72
Job #2 – Jones and Jones Associates
Title – Lawyer
Pay – $75,000 salary, plus 10% bonus pay in December
Hours - 60 hours a week
Payment per year: 75000*1.10=82,500
Payment per hour: 82500/(60*4*12)=28.65
Job #3 – Medical Industries, Inc.
Title – Doctor
Pay – $150,000 salary, minus 21.6% insurance fee
Hours - 75 hours a week
Job #4 – Langley Associates
Title – Architect
Pay – $40 an hour, contractual
Hours - January is 6 hours a week, February is 12 hours a week, March is 18 hours a week,
April is 25 hours a week, May, June, July, and August is 40 hours a week, September and
October are 25 hours a week, and November and December are 20 hours a week.
Job #5 – Feldspar, LLC
Title – Geologist
Pay – $20 an hour, plus 10% raise each week for the first three months.
Hours - 40 hours a week, plus three weeks unpaid vacation a year
Compare and Contrast at least 2 jobs. Make a table and compute the data to figure
out which job makes the most $ per year? Which job makes the most per hour? Which
job works least?
