SOLUTION: Please help me solve this {{If you are using a baking formula that calls for 25% sugar and 20 lb of flour, then you will use __________ lb sugar.}}

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Question 667265: Please help me solve this {{If you are using a baking formula that calls for 25% sugar and 20 lb of flour, then you will use __________ lb sugar.}}
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = pounds of sugar needed
+x+=+.25%2A%28+x+%2B+20+%29+
+x+=+.25x+%2B+5+
+.75x+=+5+
x = 6 and 2/3 pounds of sugar
check:
total pounds is 26 and 2/3
+%28+6+%2B+2%2F3+%29+%2F+%28+26+%2B+2%2F3+%29+=+.25+
OK