Whats the answers to 1 and 2 statements and reasons please

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Do you mind if you guys me with this question i’m on number 8

Abarge can safely haul no more than 400 tons across the river. the barge has an empty weight of 24 tons. the average weight of the railroad cars is 4 tons each. bhow many railroad cars can the barge haul?