Question

Mrs.Hickmam is making cookies. She uses 2 cups of sugar for every 3 tsp. of baking soda

Which proportion could be solved to find x, the number of teaspoons of baking soda needed for 12 cups of sugar?
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Answer 1

For every cup of sugar you use 1 1/2 tsp.
X=12(1.5)
18 tsp