Its speed in what, like miles or what?
If you use photomath it will give you the answer and the steps to solve its a great app.
3 1/4 cups for 13 servings...
(3 1/4) / 13 =
13/4 * 1/13 =
13/52 which reduces to 1/4 cup per serving
for 28 servings...
1/4 * 28 = 28/4 = 7 cups <== 28 servings requires 7 cups of flour
Answer:
Exact form: √
29
Decimal form: 5.38516480
Step-by-step explanation: