Acalculator has 50 keys in five colors grey black blue yellow and green there are 6 gray key for every 11 black key. also, the number of black key is 2 less than twice the number of gray key. use your answer to part (b) to determine how many gray keys and how many black keys there are.

c

step-by-step explanation:

3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.

16.9 times 2.85

step-by-step explanation:

it's d

step-by-step explanation: