Children go to camp.

(a)(i) Bananas cost \$0.85/kg. Fatima buys 20 kg at a 14% discount. Find the amount paid. [3]

(a)(ii) She pays \$16.40 for apples after an 18% discount. Find the original price. [3]

(a)(iii) The number of bananas : apples is 4 : 5. There are 108 bananas. Find the number of apples. [2]

(b) A tent costs \$c plus \$d per day. Hiring for 4 days costs \$27.10 and for 7 days \$34.30. Write and solve two equations in c and d. [4]

(c) The children travel 270 km, leaving 07:43 and arriving 15:13. Find the average speed. [3]

(d) \$540 was invested 2 years ago at 6% compound interest per year. Find the present amount. [2]