In one U.S. city, the taxi cost is 4.00 plus 0.70 per mile. If you are traveling from the airport, there is an additional charge of 3.00 for tolls. How far can you travel from the airport by taxi for 31.50 $?

Question

In one U.S.​ city, the taxi cost is 4.00 plus 0.70 per mile. If you are traveling from the​ airport, there is an additional charge of 3.00 for tolls. How far can you travel from the airport by taxi for 31.50 ​$​?

jhonyy9 · Answer

do you have any idea about this ?
so like a first step you need to pay 4,00 plus 0,70 per mile 
but there is again an additional charge of 3,00 for tolls

you have total 31,50$

how far can you travel by taxi from the airport for this 31,50$ ?

how you think what may be the first step ?

surjithayer · Answer

4+0.70x+3=31.50
0.70x=31.50-7=24.50
70x=2450
x=?