Instruction
EASY $$ IF YOU KNOW ALGEBRA. ONLY 2 PROBLEMS
Writing and Solving a System of Equations in Two Variables.You must show all work for credit. You may scan your hand-written work or take good-quality photos of the hand-written pages to submit.
Try It #8, p. 588
Meal Tickets at the circus cost $4 for children and $12 for adults. If 1,650 meal tickets were bought for a total of $14,200, how many children and how many adults bought meal tickets?
#58, p. 612
A cell phone company has the following cost and revenue functions: C(x) = 8x^2 - 600x + 21,500 and R(x) = -3x^2 + 480x. What is the range of cell phones they should produce each day so there is profit? Round to the nearest number that generates profit.