Amy has saved $725 for a new guitar and lesson. her guitar cost $475, and guitar lessons are $25 per hour. determine how many hours of lessons she can afford

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.