- f) (pi )/(-3)=-3 h) -9x=-18 j) 4x=56
- 9. Find the mean,the median, and the mode for each set of data. a) 21,45,53,47,82,21, 64,77,54,92,91,72 b) 4,7,11,8,6,6,5,3,5,7, 8,14,17,18,6,4,2,2 c) 77,78,67,54,82,91,71 73,64,68,53,87,79
- To celebrate getting a new job, Marco went out for a dinner that cost 100 If the local sales tax is 6% and Marco left a 15% tip on 100 what was the total cost of his meal?
- Johnny bought an oil painting originally priced at 80 but on sale for 50% off. After 10% sales tax, what was the total cost?
- APPL ICATION: Business Decisions and Solving by Elimination Sibling Savings and her sister Maryam are excited to begin saving for a new bike they can share. Their aunt said that if 710 total. they saved up enough money, she would split the cost with them and pay for half.The new bike will cost The girls concluded that they would have just enough if they saved the money from 2 days' worth of Leyla's paper route and 3 days' worth of Maryam's dog walking job. Maryam has to work a little more because her each earning/obpays 5 less than Leyla's paper route. How much do the paper route and dog walking jobs each earn per day? 1. Write a system of equations to model this problem. 2. Solve this system of equations using whichever method you choose. Show your work. 3.How much do the paper route and dog walking earn the girls? 4.Would their wages be higher or lower if it actually took them 3 days of Leyla's paper route and days of Maryam's dog walking job?
