
Kyle S. answered 07/13/17
Tutor
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Musical Math Tutor
Hi, Nur. For this problem, we have a simple proportion. The relation of the weight/mass of the steak to the price is constant. That means,
Weight A/Price A = Weight B/Price B
So, 2 kg/$35.22 = x kg/$20.
We'll solve for x by multiply both sides by $20.
So, we get x kg = 2*20/35.22, which is about 1.136 kg of steak for $20.