Well first try to make the fractions into decimals or percent's to make the question easier
You can use your calculator to divide it out and find that

or, you can make use of your knowledge of the decimal equivalent if 1/11 (=0.90909...) and multiply that by -8 to get -0.727272... as above.
18 gallons of milk had passed the expiration date.
Explanation step by step
Multiply 120x 15%
Turn 15% into a decimal which is 0.15 so now it’s 120x0.15 which equals to 18.
Answer: Check explanation.
Step-by-step explanation: I think its 0. Not sure. Hope this helped!
Around 0.02 or more precise, 0.02083