Need refreshing on fractions 1/2:3/4

Joe and Lynn earned 56 tickets for good Behavior in class. Lynn earned six time as many tickets as Joe. how many tickets did Joe and Lynn earn?

At Southside Middle School, 30% of the students play an instrument. There are 310 students. How many students play an instrument? 93 students 130 students 217 students 290 studentsAt Southside Middle School, 30% of the students play an instrument.

the inflation rate of the u. s dollar is 3.8 percent. What this means is that every year, prices increase by 3.8 percent. Of a pound of vegetables cost $3.61 seven years ago, what does it cost now?

Madison randomly surveyed 50 students at her high school about their favorite color, and 18 students chose blue. Madison concluded that blue was the favorite color of 720 students in her entire high school of 2000 students.

A number y is no more than - 8 what is the inequality

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.