A class does a science experiment. They rub a balloon with a piece of wool. They put the balloon close to a penny and piece of tissue paper. They find that the tissue paper moved toward the balloon and the penny did not.

i dont know i just need points

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.