The recipe

The recipe they are following requires 7/8 cups of milk, Tom already put 3/8 cups of milk. How much milk should Lea add to follow the recipe?

Correct answer:

a =  0.5

Step-by-step explanation:

$a={\displaystyle \frac{7}{8}}-{\displaystyle \frac{3}{8}}={\displaystyle \frac{1}{2}}=0.5$

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