Anumber of students go on a coach trip. the cost of hiring the coach is £180. the school pays 80% of this cost. the students pay the rest of the cost. each students pays £1.50. work out the number of students on the coach trip.

24

Step-by-step explanation:

the school will pay: 180 × (80÷100)

                                  = 144

the remaining amount is: 180 - 144

                                           = 36

if each student is paying 1.50 then no. of students is equal to: 36÷1.5

                                                                                                           = 24

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a