Heather burned 210 cal by walking for 45 minutes at the gym after this she burned 140 cal by lifting weights for 30 minutes are these rates equivalent explain your reasoning Please help

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.

a

step-by-step explanation:

t= 1/3.

hope this .

step-by-step explanation: