Houses cost £100000 one year ago
now they cost £
this is a 25% increase

If g(x) is an odd function, which function must be an even function?

27 is what percent of 108? 27 is % of 108

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.