How many feet are in 3.2 km, given that 1 mile = 1.609 km and 1 mile = 5,280 feet?

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?