Kyle is throwing a party. One package of wings costs $7. Hot dogs cost $4 per pound. His budget must remain under $40, and Kyle knows he'll buy at least 5 pounds of hot dogs.
The system of inequalities representing this situation is below.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?