 
 <prompt> Bill na-eme ihe nchekwa agha tupu o nweghị ike iji na-eme ihe a. O gbanwe ebe ọzọ 2-gallon jugs na afọ 70% na-eme na-eme na sand. Ọ bụghị na sand nwere a density nke 5 pounds/gallon, kedụ ndị na-eme na-eme nke Bill bụghị? <response>: ```Nọ nke ọzọ iji cheta obi nke nsogbu nke sand na otu jug: 2 gallons * 70% = 1.4 gallons
Mepụta ihe a na-akpọ maka enweghị jara n'ime ha nke na-eme: 1.4 gallons * 2 = 2.8 gallons
Mepụta ihe iji mebi n'ime obi nke ọzọ maka iji nwee: 2.8 gallons * 5 pounds/gallon = 14 pounds

Ọ bụghị 14.``` 