Respuesta :

18 i think but i could be wrong

emmathelen
what you need to do to solve this is look for a pattern. if you have 2tsp for 3c of flour. Just think how much you need for three. Make a chart. 2-3, 2.5-4, 3-5, 3.5-6, 4-7, 4.5-8 5-9.... meaning you need 5tsp of baking powder for 9 cups of flour.

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good job