Here we will calculate 2 1/4 cups doubled and illustrate 2 1/4 cups doubled on a measuring cup. What is 2 1/4 cups doubled? 2 1/4 cups doubled is twice 2 1/4 cups. Therefore, to double 2 1/4 cups, we multiply 2 1/4 by 2. Here is the formula, the math, and the answer to 2 1/4 cups doubled:
Cup × 2 = Cup doubled
2 1/4 × 2 = 4 1/2
2 1/4 cups doubled = 4 1/2 cups
Below is an illustration of a measuring cup. We show 2 1/4 cups and 2 1/4 cups doubled (4 1/2 cups) so you can see where they are in relation to each other.
As you can see, we filled up our measuring cup to 2 1/4 cups doubled. In other words, we filled it up to 4 1/2, which is two times 2 1/4.
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