Answer: A
Step-by-step explanation:image of insect under microscope = scale factor × insect size = 160 × 2 = 320 millimeters
b...............................................................................
Hi!
The answer is the fourth one: y=3x
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The total number of books on the shelf is 12 books
Given the following parameters
Total number of puzzle books on the shelf = 30 books
If the number of puzzle books is 25 of all the books on the shelf, the total number of books on the shelf is expressed as:
= 2/5 of 30
= 2/5 * 30
= 2 * 6
= 12
Hence the total number of books on the shelf is 12 books
Learn more here: brainly.com/question/13885389