Eli Whitney invented the the cotten gin

When multiplying fractions do I multiply straight across or find the common denominator

Melanie sold half of her comic books and then bought 7 more. She now has 18. How many did she begin with?

The bolts that hold the cables on Trudi's bike measure about 0.12 inches across. She has a set of wrenches in these sizes, measured in fractions of an inch: 5/32, 1/8, 3/16, 1/4, 3/32. Which wrench should she use?

A basket is filled with 7 white eggs and 14 brown eggs. half of the brown eggs are cracked. an egg is randomly selected from the basket. what is the probability that it is a cracked, brown egg? write your answer as a fraction in simplest form.

David madd 4/3 of quart of fruit juice. Each mug he had holdes 1/3 of a quart. How many mugs will David be able to fill?

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.