Math project: triangle trace / Proyecto de matematicas: trazo de triangulos

Pick the description of a geometric object that best matches the real world object box for a deck of card

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.