It takes 40 minutes for 8 people to paint 4 walls. how many minutes does it take 10 people to paint 7 walls?

7:4 walls = 10:8 people =M:40 minutes

M = (7/4) / (10/8) x 40

M = 56 minutes.

-2 is the right

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3