Change mixed numbers into improper fraction. 8 3/6, 4 3/8, 2 2/4, 9 4/5, 7 2/3

8 3/6= 17/2

4 3/8=35/8

2 2/4=5/2

9 4/5 =49/5

7 2/3= 23/3

Step-by-step explanation:

To convert a mixed number to a improper fraction you multiply the whole number part by the fractions denominator then you add that number to the numerator then you write the number on top of the denominator

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation: