Mathematics, 16.09.2019 18:00, jiang6117
You wash dishes for a chemistry laboratory to make extra money for laundry. you earn 12 dollars/hour, and each shift lasts 75 minutes. your laundry requires 12 quarters/load.
part a
how many shifts must you work if you wish to wash 10 loads of laundry?
part b
how many loads of laundry can you wash if you work 3 shifts?
part c
how many loads of laundry will each shift pay for if the cost per load rises to 16 quarters?
Answers: 3
Mathematics, 21.06.2019 14:30, superfly903
Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?
Answers: 3
Mathematics, 21.06.2019 20:30, amandaaaa13
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 1
Mathematics, 22.06.2019 01:30, haleymoodie6034
Mrs. julienās and mrs. castillejoās classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julienās class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejoās class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 2
You wash dishes for a chemistry laboratory to make extra money for laundry. you earn 12 dollars/hour...
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