Madyson borrows $1,200 from her father to purchase airplane tickets. the first week after borrowing the money, madyson repays her father $50. each week after that, she is able to repay her father $2 more than the previous week, except in the last week, when she finishes repaying the loan. how much is madyson’s final payment?

Mr angulo buy 5/8 pound of red grapes and 3/8 pound of green grapes. how many pounds of grapes did mr angulo buy

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.

How can i differentiate this equation?