a sample of 144 firecrackers contained 4 duds. how many duds would you expect in a sample of 1584 firecrackers?
1 answer:
396 duds in 1,584 fireworks all together. Divide 1,584 by 4.
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This math is just too much and makes little to no sense.
The length of the base is 32.6
3.3 + 3.3 = 6.6
Subtract 6.6 from 71.8 : 65.2
Divide that by 2 : 32.6
You put 3 shapes together I believe
30%. 40-28 =12. 12/40 =30%
