Jack is learning to play piano. he knows that a piano has 88 keys and that there are 12 unique keys in each group called octave. how many complete octaves are on a piano?

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

one peck is 9.309 quarts

9.309x 2