Ming still needs to put in 11 cups of flour to make the recipe.
Equation is an expression used to show the relationship between the two or more variables and numbers.
Let x represent the number of cups of flour remaining for Ming to put in. The value of x can be gotten from the formula:
x + 8 = 19
x = 11 cup
Ming still needs to put in 11 cups of flour to make the recipe.
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