The following data represent the prices per gallon of regular unleaded gasoline at 24 different gas stations. Create the key to be used in interpreting the stem-and-leaf plot. $3.75 $4.18 $4.14 $4.04 $3.86 $3.84
$4.09 $3.93 $4.05 $3.97 $4.19 $3.83
$4.13 $3.88 $3.88 $3.82 $3.76 $4.07
$4.09 $3.77 $4.00 $3.82 $3.81 $4.02

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.