Out of 840 discs tested, 38 are defective. estimate the number of defective discs in a batch of 43,000. about 3,890 discs about 195 discs about 1,945 discs about 19,450 discs

x/3-10=8

x/3=18

x=48

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb