At the zoo, all the animal keepers need to have direct telephone line to each other. If there are 10 keepers, how
many lines do they need?

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Drag each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate