What is the numerator of this fraction 1/2

Does the example showing 1/2 * 2/5 support a similar rule when multiplying a fraction by a fraction less than 1

Jack had 50 coins in nickels and quarters. He has 8 more nickels than quarters. How many nickles did Jack have?

six friends are going to a state fair. The cost of one admission is $9.50, and the cost for one ride on the find the total cost.

You earn 33$ for 4 hours of work. find the unit rate of dollars per hour?

recipe for banana oat muffins call for 3/4cups of old fashion oats you are making 1/3of recipe how many cups of oats should you use

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.