How many 0.6 liter glasses can you fill up with a 4.5 liter pitcher? need work also

The table above shows approximate conversions from gallons to liters. what is the value of x?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers