Delivery scrap percentage

In the first delivery of 120 parts, there was 5% waste. In the second delivery in which, 10% of the 80 were scrapped. How much scrap was brought in with the first and second deliveries combined? What % of scrap was there in both deliveries of parts, out of the total number of parts brought? Round the result to whole percentages.

Final Answer:

n =  14
p =  7 %

Step-by-step explanation:

n1=120 q1=5%=1005=201=0.05  n2=80 q2=10%=10010=101=0.1  a=n1 q1=120 0.05=6 b=n2 q2=80 0.1=8  n=a+b=6+8=14
p=100 n1+n2n=100 120+8014=7%



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