1 3/5 cups osuger makes 18 brownies.how much suger need to make 12brownies

Mathematics
Tutor: None Selected Time limit: 1 Day

A recipe calls for 1 and 3/5

May 4th, 2015

Let's make a proportion 1 3/5 cups of sugar makes 18 brownies

x cups fo sugar makes 12 brownies.     1 3/5 = 8/5

x = (8/5  * 12) / 18 = 19 1/5  / 18 = 39/5 * 1/18 = 96/90 = 1  6/90  = 1  1/15 cups of sugar needed to make 12 brownies.


Let me know if you have any questions

May 4th, 2015

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