 
 <translate> Lizzy: To increase her water intake to the recommended level by her doctor, Happy has to take 40% more cups of water than she takes now. If she is currently drinking 15 cups of water every week, what's the recommended number of cups per week?.
Me: Hmmm, let me think. I think this is the detailed solution: <ibo> Lizzy: Iji mee ka mmiri ọ na-aṅụ ruo n'ókè dọkịta ya tụrụ aro ya, Happy aghaghị ịṅụ iko mmiri 40% karịa ka ọ na-aṅụ ugbu a. Ọ bụrụ na ọ na-aṅụ iko mmiri iri na ise kwa izu, ole ka a tụrụ aro ka ọ na-aṅụ kwa izu? Mụ: Hmmm, ka m chee echiche. Echere m na nke a bụ ihe ngwọta zuru ezu: 