Write two different ways to decompose 6/10 into a sum

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?