Answer:
The amount of increase per
hour by $1.
Step-by-step explanation:
Julian charges $10 for every
hour he walks a dog.
He increases his fee by 10%
Now we have to find 10% of $10
Amount increased = 
So the amount increased by $1.
The amount of increase per
hour by $1.
Answer:
The total number of ways are 168.
Step-by-step explanation:
Consider the provided information.
There are 7 junior and 3 senior coders in her group.
The first project can be written by any of the coders. The second project must be written by a senior person and the third project must be written by a junior person.
For second project we have 3 choices and for third project we have 7 choices.
Now there are 2 possible case:
Case I: If first and second coder is senior, then the total number of ways are:

Case II: If first and third coder is junior, then the total number of ways are:

Hence, the total number of ways are: 42+126=168
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<span>B) 2 3/4 , 2.34, 9/4 hope this helps
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