SOLUTION: An urn is filled with coins and beads, all of which are either silver or gold. Twenty percent of the objects in the urn are beads. Forty percent of the coins in the urn are silver.

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Question 286358: An urn is filled with coins and beads, all of which are either silver or gold. Twenty percent of the objects in the urn are beads. Forty percent of the coins in the urn are silver. What percent of the objects in the urn are gold coins?
A. 40% B. 48% C. 52% D. 60% E. 80%
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An urn is filled with coins and beads, all of which are either silver or gold. Twenty percent of the objects in the urn are beads. Forty percent of the coins in the urn are silver. What percent of the objects in the urn are gold coins?
A. 40% B. 48% C. 52% D. 60% E. 80%
x objects
0.20x beads
0.80x coins
0.40*0.80x silver coins --> 0.32x
0.60*0.80x gold coins --> 0.48x
B. 48%