Two bottles of water and an order of cheese nachos costs $5.50. Three bottles of water and two orders of cheese nachos costs $9.50.

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

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?