2005 iTest Problems/Problem 14
Revision as of 21:07, 13 October 2025 by Mathloveryeah (talk | contribs) (Created page with "==Problem== A bottle contains <math>5</math> gallons of a <math>10\%</math> solution of oil. How many gallons of pure oil must be added to make a <math>30\%</math> oil solutio...")
Problem
A bottle contains 
gallons of a 
solution of oil. How many gallons of pure oil must be added to make a 
oil solution? (round to the nearest hundredth)
Solution 1
Since the 5 gallons are oil, there are currently 
gallons of oil. The number of gallons of pure oil that must be added to make a oil solution can be modeled by the following equation in 
: 
. Solving, we find that 
See Also
| 2005 iTest (Problems, Answer Key) | ||
| Preceded by: Problem 13 |
Followed by: Problem 15 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 • 42 • 43 • 44 • 45 • 46 • 47 • 48 • 49 • 50 • 51 • 52 • 53 • 54 • 55 • 56 • 57 • 58 • 59 • 60 • TB1 • TB2 • TB3 • TB4 | ||
