Question

So my question is basically based on direct proportion.
if 50 g sweets cost $ 2.10 find the cost of 380 g sweets giving your answer correct to the nearest 5 cents. now there are two methods, the unitary method, and the proportion method. So my question is can you help me do the math using the proportion method?

Answer 1

Answer:

7.70 + 30 grams = 0.90 = 8.60