The width should be 100.8 inches since you multiply 42 × 2.4. Hope it helps.
Please go into more detail about the question then u will be able to help you
Answer:
Step-by-step explanation:
To prove divisibility, we need to factor the divident such that one of its factors matches the divisor.
(I use the notation x|y to denote that x divides y)
(A)

(B)

In this case, it is easier to also factor the divisor to primes:

Both of these factor must be matched in the dividend in order to prove divisibility, and that indeed turns out to be true:

Answer:
A
Hope i helped :)