The opportunity cost of increasing potato production from 25 units to 50 units is

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.

if i put something wrong your not gonna like it so rather not say nothing.

the answer would be  

a.

3: 1

step-by-step explanation:

y= -2x+4, have a great day