Answer:
A=30t+200
B=50t+100
The number of hours,t, that would make the cost of each company the same is 5.
30(5)+200= A
150+200=350
50(5)+100= B
250+100=350
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Answer:
C. 1.2x
Step-by-step explanation:
He pays 1 x for his haircut, and an additional 20% on top of that, or an additional 0.2x. If you write that as an expression, you can simplify it like this:

You can also work it out by multiplying by 1.2 as stated in answer C. If his haircut costs $10, adding a 20% tip of $2 is the same as multiplying by 1.2.

Answer:
-3,8
Step-by-step explanation:
Answer:


Step-by-step explanation:
<em>The question is mixed up with details of another question. See comment for original question</em>
<em />
<u>Given</u>




Solving (a): Solve for time
We have:

Cross multiply

Make t the subject

Solving (b): Solve for distance
We have:

Cross multiply

