If Juan’s taxi fare was $6.05, how many miles

| August 30, 2017

Question
A taxi company charges $2.25 for the first mile and then $0.20 per mile for each mile after the first, or F= $2.25 + $0.20 (m-1) where F is the fare and m is the number of miles.
1. If Juan’s taxi fare was $6.05, how many miles did he travel in the taxi?
2. If Juan’s taxi fare was $7.65, how many miles did he travel in the taxi?
A new car looses 20% of its original value when you buy it and then 8% of its original value per year, or D= 0.8V – 0.08Vy where D is the value after y years with an original value V.
3. If a vehicle that was valued at $20,000 new is now worth $9,600, how old is the car?
4. A 6-year old vehicle is worth $12,000. What was the original value of the car?
The equation used to estimate typing speed is S= 1/5 (w-10e).
where S is the accurate typing speed, w is the number of words typed in 5 minutes and e is the number of errors. Choose the letter of the best answer.
5.Jane can type 55 words per minute (wpm). In 5 minutes, she types 285 words. How many errors would you expect her to make?
6. If Alex types 300 words in 5 minutes with 5 errors, what is his typing speed?
7. Johanna recieves a report that says her typing speed is 65 words per minute. She knows that she made 4 errors in the 5-minute test. How many words did she type in 5 minutes.
8. Cecil can type 35 words per minute. In 5 minutes, she types 255 words. How many errors would you expect her to make?

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