Justin has 20 pencils, 25 erasers, and 40 paper clips. he organizes them into groups with the same numer of items in each group. all the items in a group will be the same type. how many items can he put in each group?

Nine more than four times a number is the same as one less than twice the number. find the number?

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Percent increase and decrease. original number: 45 new number: 18