Jim completed half of the floor in 4 hours, pete completed the other half of the floors in 2 hours. if pete can lay 25 more tiles per hour then jim, at what rate can jim lay tiles?

it will be 5 hours and 6 minutes.

Step-by-step explanation:

it is that because it is correct

the answer would be c:   ax + b = ax + c

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.