Jeremy bought a new truck for $32,000. the value of the truck after t years can be represented by the formula v = 32,000(.8)^t. when will the truck be worth approximately $6700?
a) in 5 years
b) in 7 years
c) in 8 years
d) in 9 years

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?