Question

an alloy consits of 55 the of iron andrest os copper. what is the amount of copper in 50kg of the alloy

Answer 1

Answer:

22.5kg

Step-by-step explanation:

percentage of copper=100-55=45%

weight of copper=

$\frac{45}{100} \times 50$

$= \frac{45}{2}$

=22.5kg