In a certain class, 15% of the class failed a math test completely, 25% students made one mistake each, and 24 students got a perfect score. how many students are in this class?

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

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

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?