To take a taxi it costs $3.00 plus an additional $2.00 per mile traveled. you spent exactly $20 on a taxi which includes the $1 tip you left.

8 (maybe miles) is how far you went

Step-by-step explanation:

1+3+2(x)=20 (x) is for how far you traveled

4+2(x)=20

subtract 4 from both sides

2(x)=16

divide by 2 on both sides

x=8  

never gave me a unit of measurement

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

step-by-step explanation: