The life expectancy of a circulating coin is years. The life expectancy of a circulating dollar bill is only 1/20 as long. Find the life expectancy of circulating paper money.

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Which table shows a proportional relationship between miles traveled and gas used?