A piece of ornament is made by mixing bronze, zinc and silver. In that piece of ornament, the ratio of bronze and zinc is 1:2 and the ratio of
zinc and silver is 3:5. The weight of the ornament is 190 grams.

a. Determine the ratio of bronze, zinc and silver.

b. Determine the weight of bronze, zins and silver separately.

c. What weight of zinc can be mixed in the ornament so that the ratio of

bronze and zinc will be 1:3?
(i need this now this is set question.) ​