Cyndi is making a mix of cashews and peanuts. The cashew cost $7 per pound, and the peanuts cost $3 per pound. She wants 20 pounds of a mixture worth $5.40 per pound. Let c be the number of pounds of cashews needed for the mixture and p be the number of pounds of peanuts.

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

I’m still confused on how to work the percentages

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?