How many tickets with different points of origin and destination can be sold on a bus line that travels a loop with 20 stops?

different tickets can be sold.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.