18 is the right answer. The two fractions must be porportional
Answer:
A, C, and D
Step-by-step explanation:
The least common multiple is 63.
Explanation: 63 is the least number that 3 7 and 9 can go into evenly. Therefore, it is the least common multiple.
Answer:
2.5 gallons of the 20% solution must be replaced by the 36% solution.
Step-by-step explanation:





