Answer:
4
Step-by-step explanation:
I believe that 7 5/4 is the answer.
The total number of calories for 18 cups of milk is 1620 calories.
If two cups of milk is 180 calories then divide 180/2 to find the unit rate.
Then multiply 90 by the number of cups (18) and then you get the total number of calories for that many drinks.
Answer: 871.72 + (0.3926........x 42)
Step-by-step explanation: 23.56 x 37= 871.72
23.56/60= 0.3926................... x 42
Since we are looking for the principal amount, then all we have to do is reverse the process of getting the amount of tax. In order to get the principal, you just have to divide 22 with 0.05. The answer is 440 so that is the principal amount you are looking for.