the answer is 5 because if 1 cup of sugar per batch and she put in 5 cups of sugar that makes 5 batches
Step-by-step explanation:
16 = 20% to get to 80% we need to times by 4 so it adds up to 100%
64=80%
the orginal price was 64 dollars
Y = kx
20 = .4k
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.4 .4
50 = k
The right multiplier is 1.03. Because x*1.03=x*(1+.03)=x+.03x
And .03x is exactly 3% of x.