2. Mrs. Nkuna wants to take her grade 10 learners to the Johannesburg Zoo. She has calculated the amount of money each learner must contribute for the entry fee, lunch and transport. The table below shows the amount payable for different numbers of learners taken to the zoo. Nr of learners 5 10 A 30 Amount payable in R 400 800 1600 B 2.1. Determine the value of A and B in the table. 2.2. Choose which one of the equations will represent the information the best: A. Amount payable = Number of learners x 8 B. Amount payable = Number of learners x 80 C. Amount payable = Number of learners x 800 Number of learners D. Amount payable = 80 45 3600 2.3. Mrs Nkuna needs at least R2 500 to be able to take learners to the zoo. How many grade 10 learners must she have in order to collect R2 500? ​