Please help and explain so i dont have to keep asking thanks :)

36.25

Step-by-step explanation:

21.75 divided by 3= 7.25

7.25x5=36.25

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.

25.3

step-by-step explanation:

1st step

add 3+6

=9

multipy 9*3

=37