Maria solved the equation -5 n = -9. her answer was n = 1. she is fairly confident about her answer, but wants to do a quick check of her solution using estimation. which of the following shows a good check of her answer? -6(2) = -12 -5(-2) = -10 -5(2) = -9 -5(2) = -10

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?