Savvas

There are 75 olives, 40% of which are green. I eat some of the green olives until 10% of the olives that remain are green. How many green olives did I eat?

17/210= 1/a+1/b+1/c+1/d a,b,c,d are whole numbers Work out the least possible value of d^b.

A supermarket is carrying out a promotion in January. Andrew is collecting vouchers from the supermarket. Each red voucher is worth 7.5 points. Each blue voucher is worth 10 points. Each yellow is worth 13 points. Andrew collects 150 vouchers in January....

Three squirrels, Steve, Keith and Benjamin, have spent all day collecting nuts. At the end of the day they are very tired and go to bed. During the night, Steve wakes up and eats a nut. He then decides to take half of the remaining pile and hides it befor...