4.3 used.notebook
January 15, 2015
4.3 Systems of Linear Equations and Problem Solving
Terry Watkins can row about 10.6 kilometers in 1 hour downstream and 6.8 kilometers upstream in 1 hour. Find how fast he can row in still water and find the speed of the current.
4.3 used.notebook
January 15, 2015
A pharmacist needs 500 milliliters of a 20% phenobarbital solution but has only 5% and 25% phenobarbital solutions available. Find how many milliliters of each she should mix to get the desired solution.
4.3 used.notebook
January 15, 2015
Hilton University Drama Club sold 311 tickets for a play. Student tickets cost 50 cents each; non­student tickets cost $1.50 each. If a total receipts were $385.50, find how many tickets of each type were sold.
4.3 used.notebook
January 15, 2015
Carroll Blakemore, a drafting student, bought three templates and a pencil one day for $6.45. Another day, he bought two pads of paper and four pencils for $7.50. If the price of a pad of paper is three times the price of a pencil, find the price of each type of item.
4.3 used.notebook
One number is two less than a second number. Twice the first is 4 more than 3 times the second. Find the numbers.
January 15, 2015