(there is a total of 1,000 students in the whole school) 1) a survey reveals that 20%of students speak spanish. how many students speak spanish ?
2) at one time or another ,6%of the students , have forgotten their locker combinations. how many have forgotten their locker combinations.
3) of the grade 6 students surveyed,12% bring their lunch to school. suppose 24 sixth graders do this. how many grade 6 students are at the school.
4) arif and keisha go to a restaurant for dinner. their meal total $13.75 .the tax is 5%.how much tax is added to the bill and the tax combined .how much should they leave ? explain