Gee prepared 12 kilograms of dough after working 3 hours. How much dough did mr.g prepare if he worked for 20 hours? Solve using units rates

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Respuesta :

12/3=4
4*20= 80
so the answer is 80
12kg of dough/3 hrs = 4 kg of dough/1 hour 

(4 kg/1 hr) x 20 hrs = 80 kg/20 hrs