Meghan used her cell phone for 45 minutes each day for n days. Her total minutes of cell phone usage was 540 minutes. Write an equation to express how many days Meghan used her cell phone.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?