Four pounds of apples cost 5 . Eight pounds of apples cost 10 $ . If the total cost of apples , y varies directly with the number of pounds of apples purchased x what is the cost of 6 pounds of Apple round your answer to the nearest hundreth

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

The tile along the edge of a triangular community pool needs to be replaced? ?