Question 633577
Travel:
You start for home which is 1000 miles away, your av speed is 60 mph
Let t = driving time
Let d = distance from home
d = -60t + 1000
Example: after 10 hrs (t=10) driving you would be 400 mi (d) from home
:
Temperature Conversion: convert Fahrenheit to Celsius
C = {{{5/9}}}(F-32)
When it's 86 degrees f, what is it Celsius
C = {{{5/9}}}(86-32)
C = {{{5/9}}}*54
C = 30 degrees C
:
Exchange Rates
Convert dollars (d) to baht, the Thai currency.  $1 = 20 baht (b)
b = 20d
:
Cell Phones
Cost vs minutes,  Monthly fee = $10
First 100 min are free, .25 for each minute thereafter
C = .25(m-100) + 10