5 Vera is a shop manager. She has this information about the income in her shop for eight weeks this year.
8
4
42.5
6
7
5
Week
1
3
2
Income
52.4 19.4 47.9
45.1
53.5
39.8
42.3
(thousands of £)
The median income for the same eight weeks last year was £49 300
Vera knows that the median income for these eight weeks has decreased this year
compared to last year.
DO NOT WRITE IN THIS ARON
(a) Work out the percentage decrease of the median income.
Give your answer to 2 decimal places.

For the equations below which statement is true ?

Which of the following graphs could represent a cubic function?

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.