Question

The expression 1223 ÷ r can be used to find how many batches Tyra can make with the sugar she has.

If r is 23 cup, how many batches of cookies can Tyra make?
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Answer 1

19

Explanation:

I assume you mean 12 2/3 and 2/3.

12 2/3 ÷ 2/3 = 38/3 ÷ 2/3 = 38/3 × 3/2 = (38 × 3)/(3 × 2) =

= (38 × 3)/(2 × 3) = 38/2 × 3/3 = 19