 
 <translate> Last night, Olive charged her phone for 10 hours. Assuming each hour of charge lasts the phone 2 hours of use, calculate the total time Olive would be able to use her phone before it goes off if she charges it for 3/5 of the time she charged the phone last night.
The answer is 12 <ibo> N'abalị ụnyaahụ, Olive kwụnyere ekwentị ya ruo awa iri. Iche na elekere ọ bụla a na-akwụ ụgwọ na-eme ka ekwentị were awa abụọ, gbakọọ oge niile Olive ga-eji ekwentị ya tupu ya agbanyụọ ma ọ bụrụ na ọ na-akwụ ụgwọ ya maka 3/5 nke oge ọ na-akwụ ụgwọ ekwentị n'abalị ụnyaahụ. Azịza ya bụ 12. 