Rosa can make 8 dozen cupcakes in 3 hours. How many dozen cupcakes can she make if she has 10 1/2 hours to bake the cupcakes
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1. if 1st number is 'x', the 2d number is 'y', then it is possible to make up the system of two equation according to the condition:
2. one number is 11, another number is 10.
1. if 1st number is 'x', the 2d number is 'y', then it is possible to make up the system of two equation according to the condition:
2. one number is 11, another number is 10.