52/4 = 13
$13 = 1 hour.
$6.50 = halfhour
13 x 3 = $39
She would have to work for 3 hours to earn $39
Answer:
Step-by-step explanation:
d = 24 x h
since d is the distance in order to get that we need to multiply the speed times time and get the answer
Here we can use fact than we can multiply fraction by inverse of fraction instead of dividing it.
Inverse of 1/3 is 3/1
Lets multiply it

- its our result
2/3 is exactly the same as 8/12