Question 24
There are three kinds of tokens having different weights: 5 grams, 10 grams and
20 grams. The total weight of 19 tokens is 250 grams. If the number of 5 gram
tokens and the number of 20 gram tokens are interchanged, then the total weight
of tokens are reduced to 190 grams. What is the number of tokens having a
weight of 10 grams?
20 grams. The total weight of 19 tokens is 250 grams. If the number of 5 gram
tokens and the number of 20 gram tokens are interchanged, then the total weight
of tokens are reduced to 190 grams. What is the number of tokens having a
weight of 10 grams?