a brand of cereal had 1.2 milligrams of iron per serving. Then they changed their recipe so they had 1.8 (mg) of iron per servin
1 answer:
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Answer: (C) 16
Step-by-step explanation:
Given : Number of sizes of self-stick notepads= 2
Number of colors = 4
Type 1 : The store packs the notepads in packages that contain 3 notepads of the same size.
i.e. By Fundamental principle of counting , we have
Number of different packages possible = Number of colors x No. of sizes
=
Type 2: Notepads of the same size and of 3 different colors.
Choices for 3 different colors out of 4 :
Again by fundamental principle :
Number of different packages possible = No. of choices for choosing 3 different colors x No. of sizes
=
From Type 1 and Type 2 , the total number of different packages of the types described above are possible =8+8= 16
Hence, the correct answer is option (c) 16.