Question: A recipe calls for butter and sugar in the ratio 3:5. If 180 grams of butter is used, how much sugar is needed?
A) 280 grams
B) 300 grams
C) 320 grams
D) 330 grams
Solution:
Let the amount of butter and sugar be 3x and 5x, respectively. Given that butter used is 180 grams:
3x=180
x = 180⁄3 = 60
The amount of sugar needed:
5x=5×60=300 grams
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