Solve for f.

-11f = 7 (1 - 2f) + 5

f =

Ian has 12.2 ounce bottle of ketchup. He uses 1/20 of the ketchup every time he has a buffalo burger. How many ounces of ketchup are left after Ian has eaten 4 buffalo burgers.

Ava bought a rectangular rug for her hallway. The rug is 2/3 yd wide and 2 3/4 yd long. What is the area of the rug as a mixed number in simplest form?

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I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.