Two hoses are filling a pool. The first hose fills at a rate of x gallons per minute. The second hose fills at a rate of 15 gallons per minute less than the first hose. To meet the pool maintenance company's schedule, the pool needs to fill at a combined rate of at least 10 gallons per minute. The inequality represents the combined rates of the hoses: Which answer choice includes all solutions to the inequality and identifies which interval (s) contain viable filling rates for the hoses?; both intervals contain viable rates for the hoses; only contains viable rates for the hoses no interval contains viable rates for the hoses only contains viable rates for the hoses
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