16. john has spent 4 hours on his homework and estimates that he has completed 1/7 of his homework assignment.
how many more hours does he need to spend on his homework?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Which expression is equivalent to -5(3x - 6/7)

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=