ummm I think I know but I don't at the same time take away 40 from 112 and theres you answer♥.
#40: There are 40 people in the youth group. If you multiply 5 and 8 by 5 it equals 25/40 (the number going on the ski trip)
For the first question, it would be D:

÷ 9. This is because to solve a division problem with fractions, you would need to multiply the first fraction by the reciprocal of the second fraction. For the second question, the answer would be D: 32. This can be solved by dividing 8 by

or 0.25. For the third question, it would be D.

. This can be solved by dividing

by 3. For the fourth question, the answer would be

. This can be found by flipping the 4, which would make it look like

, and multiplying it by

. For the last question, 1 would be B, 2 would be C, 3 would be C, and 4 would be A.
Hope this helps ^-^
84 words = 2 min
1 word = 2/84 = 1/42
420 words = 1/42 x 420 = 10 mins
Answer: 10 mins