If an iron ball 8 inches in diameter weighs 80 pounds, how many pounds does an iron ball 12 inches in diameter weigh?

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Math High School Ngọc Diệp 1 week 2022-12-27T16:06:47+00:00 2022-12-27T16:06:47+00:00 1 Answer 0 views 0

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ThanhThu · Answer 1 · 2022-12-27T16:08:12+00:00

Based on the fact that the iron ball of 80 pounds has 8 inches in diameter., the iron ball with 12 inches would weigh 120 pounds

The weight of the iron ball can be found by the formula:

= (Diameter of target iron ball x Weight of referrent iron ball) / Diameter of referent iron ball

Solving gives:

= (12 x 80) / 8

= 960 / 8

= 120 pounds

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