6•10^8 is how many times as large as 2•10^3

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

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?