 
 <prompt> A baba ya sami taki da sanda don tayi fillar sanda na sabon yaro, amma ya yi matsayin cewa sanda zai zama mafi girma don motarsa. Sanda mai suna square, kuma kowace gefe ya kasance 40 inches. Idan taki mai 30 pounds na sanda ya samu damar tayi fillar 80 square inches na sanda zuwa wani matsayi, me yasa pounds na sanda an bukaci don tayi fillar sanda dukkanin? <response>: Sandbox na dauke da kwananan 40*40 = 1600 square inches.
Don haka don kammala wannan kwana, an buɗe 1600/80 = 20 bags na ruwa.
Sannan, zafi na wannan kaya shine 20*30 = 600 pounds.

Javobin asali: 600. 