I am asking much questions today :

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.

Find the slope of the line passing through a pair of points