 
<translate> Ka yi la'akari da wannan tambayar. Sasha ta yi muffins 30 na cakulan don tallafin tallafin makarantar ta. Melissa ta yi muffins sau 4 fiye da Sasha, kuma Tiffany ta yi rabin adadin muffins na Sasha da Melissa. Idan an sayar da muffin guda a dala huɗu, nawa ne Sasha, Melissa, da Tiffany suka ba da gudummawa don tara kuɗi? Menene tsarin tunani mataki-mataki don isa ga amsar: 900? <eng> Consider the question. Sasha made 30 chocolate muffins for her school bake sale fundraiser. Melissa made 4 times as many muffins as Sasha, and Tiffany made half of Sasha and Melissa's total number of muffins. If one muffin sold for $4, how much money did Sasha, Melissa, and Tiffany contribute to the fundraiser?
 What is the step-by-step reasoning process to arrive at the answer: 900? 