Angela pays £408 for 3 months' worth of school dinners
for her 4 children. What would the cost of 5 months'
worth of school dinners be for 3 children?

Can you show how you did it

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.