Without multiplying,
how can you tell which product will be
greater, 4 x 3 or 4 x 5? explain.

4x5

Step-by-step explanation:

calculate the nos.

eg. add 4 and 3 we get 7

add 4 and 5 we get 9

so 4x5 is greater

step-by-step explanation:

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.