What multiplier do I need to increase by 20%

Rick is taking a 1 mile ride on his bicycle. For each rotation of his tire, he travel 72 inches. how many rotations will this tire make during the 1 mile trip? A) 73 rotations B) 83 rotations C) 780rotations D) 880rotations

Oliver earned $12 for mowing 3 lawns. What is the rate earned per lawn mowed?

This is regarding order of operations. A grocery store has 354 cases of canned foods in its store room at the beginning of the month.

A teacher's turkey weighs 24 pounds. The recipe says to cook it for 15 minutes per pound. how long will she need to cook her turkey?

Manuel climbs a tower from ground level to an elevation of 1355 feet. He then climbs down 27- feet. How far is Manuel from the ground? Manuel is feet from the ground.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

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.