3.5 ounces of oil are to be added to 17.5 gallons of gasoline, then how many ounces of oil should be added to 39.5 gallons of gasoline? 7.8 ounces 197.5 ounces 7.9 ounces 8.1 ounces

7.9 ounces

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Equations.

For this problem we can use a simple Rule of Three property to solve this problem.

=

Now we cross multiply 3.5 by 39.5 and then divide the answer by 17.5 to get x like so,

Finally, we can see that 7.9 ounces should be added to the 39.5 gallons of gasoline.

I hope this answered your question. If you have any more questions feel free to ask away at .

-2

7 - 9 = -2

reversed:

-2 + 9 = 7