Answer:
k = 10.5
Step-by-step explanation:
8/7 = 12/k
Using cross products
8k = 7*12
8k = 84
Divide each side by 8
8k/8 = 84/8
k = 10.5
Answer:
9 hours
Step-by-step explanation:
1 chapter ≈ .5 hour
18 x .5 = 9
5 dollars per hour
because 15 divided by 3 is 5.
Answer:
D
Step-by-step explanation:
Answer:
4 days in total
Step-by-step explanation: