Answer:
$8/mile
Step-by-step explanation:
Total distance walked was 2 1/4 mi + 5 1/2 mi = 7 3/4 mi. Please note: you must use the " / " symbol to indicate division; "2 1 4" is unclear.
$62
Unit rate = $ per mile = --------------- = $8/mile
7 3/4 mi
Answer:
10
Step-by-step explanation:
If f(x) 2x+4, find f(3).
when x = 3
f(3) = 2(3) + 4 = 6 + 4 = 10