7 \% \text { of } 550 kg
Evaluate
\frac{77gk}{2}
Differentiate w.r.t. k
\frac{77g}{2}
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\frac{7\times 550}{100}kg
Express \frac{7}{100}\times 550 as a single fraction.
\frac{3850}{100}kg
Multiply 7 and 550 to get 3850.
\frac{77}{2}kg
Reduce the fraction \frac{3850}{100} to lowest terms by extracting and canceling out 50.
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