Nathan is using his grandmother's recipe to make pies. On Monday, he used $15 frac 3/4
cups of sugar to make $9 pies.
On Tuesday, he used $22frac 3/4
cups of sugar to make $13 pies.

Which of the following statements must be true?

Select all that apply. Helpp

Write 17/20 as a decimal and as a percent.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.