Answer:
133 miles
Step-by-step explanation:
3.75 + 3 = 6.75
round to 6.80
20 - 6.80 = 13.2
13.2 / 0.1 = 132
132 + 1 the first mile that you payed $3.75
Total charge
=
$
4.25
+
1.50
(
m
−
1
)
Total charge for 12 miles
20.75
Explanation:
Building the rule
The trick with algebra is to think what you would do with numbers, then substitute letters.
Mile number 1 costs
The rest of the miles
⇒
total miles
×
Putting this all together we have:
The question instructs that we are to use the letter m for the total miles so we now have:
This would be written as:
So
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Determine the charge for 12 miles
12
11
16.50
Hope this helps you...
:)
C
12 + 3x
12 + 3(20)
12 + 60
72
Can you please add the table so i can answer it