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Which of the following is the correct ratio for converting kilograms to grams

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.