Respuesta :

mintymallow04
Because you times 5 by 3 to get 15, you times 6 by 3, which is 18. So 18 tsp of salt for this recipe.
Matheng
The problem can be solved by proportion as following

     5 cups of flour for every 6 teaspoons of salt
   15 cups of flour for every x  teaspoons of salt


∴ 5 : 6 = 15 : x
∴ [tex] \frac{5}{6} = \frac{15}{x} [/tex]
By using cross multiplication
∴ 5 x = 6 * 15
∴ 5 x = 90

∴ x = 90/5 = 18


So, the amount of salt needed = 18 teaspoons of salt


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