The sum of two consecutive Integers is 123. What is the smallest of the two integers?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

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Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?