SOLUTION: the fare for a taxi is $3.20 plus $0.45 every 1/2 km. four people agree to share the cost equally of a 40 km trip. What is each persons fair share of the fare?

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Question 1112989: the fare for a taxi is $3.20 plus $0.45 every 1/2 km. four people agree to share the cost equally of a 40 km trip. What is each persons fair share of the fare?
Answer by ikleyn(52775) About Me  (Show Source):
You can put this solution on YOUR website!
.
%283.20+%2B0.90%2A40%29%2F4 dollars.     Or simpler,   3.20%2F4+%2B+0.90%2A10  dollars,  and from this point you can calculate the answer MENTALLY.

Should I explain that if  $0.45  goes for each  1/2  km,  then  $0.90  goes for each kilometer ?