Step-by-step explanation:
4 balls = 344
7 balls = 7×344/4= 602
The answer is: [A]: " 2 × 3 × 5 × 7 " .
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210 = 70 * 3 ;
70 * 3 = 35 * 2 * 3 ;
35* 2* 3 = 7 * 5 * 2 * 3 ; which corresponds to "Answer choice: [A]." .
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Hope this helps! I have to type more words apparently for me to send this. Ok that should work!
