Bill and Ben can clean the garage together in 6 hours. If it takes Bill 10 hours working alone, how long will it take working alone?
Created: 8 months ago | Updated: 2 months ago
Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত
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