I wrote the steps down, hopefully you understand them and the answer is on the lower right corner.
140 is the answer! hope it helped
Answer:

Step-by-step explanation:

Multiply the numerators for the numerator , and multiply the denominators for its denominator and reduce the fraction obtained after Multiplication into lowest term



Hope I helped!
Best regards! :D



Answer: 24 gallons
Check: (1/6)24=4, 4+14=18, 18/24=3/4, good
13.984 rounded to the nearest tenth is 14
.984 is closer to 1 than to .9, so we have to round up.