13. TBQ - Calculate the number of cups of rice and urad dal

To make soft idlis, you need to mix rice and urad dal in the ratio of \(4 : 1\). If you need 20 cups of this mixture to make idlis tomorrow morning, how many cups of rice and urad dal will you need? 

 

Number of cups of rice \(=\)

 

Number of cups of urad dal \(=\)