Christopher's construction company bought 5 bags of gravel they used 3 2/5 bags on m r. pain's driveway how many bags do they have left?

Sum of the interior angles of a pentagon

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.