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.

Algebra.Com
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%

Answer by CharlesG2(834)   (Show Source): You can put this solution on YOUR website!
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%

RELATED QUESTIONS

the constitution of 2 urns: first urn has 3 black balls and 2 whites second urn has 4... (answered by robertb)
An urn contains 4 balls numbered 0 through 3. One ball is selected at random and removed (answered by math_helper)
An urn contains green and black balls. Four balls are randomly drawn from the urn in... (answered by stanbon)
An urn contains 8 black and 9 pink balls. Five balls are randomly drawn from the urn in... (answered by solver91311)
An urn contains black and pink balls. Five balls are randomly drawn from the urn in... (answered by solver91311)
An urn contains green and pink balls. Five balls are randomly drawn from the urn in... (answered by tanjo3)
An urn contains 9 pink and 7 black balls. Four balls are randomly drawn from the urn in... (answered by Edwin McCravy)
An urn contains 8 pink and 9 white balls. Four balls are randomly drawn from the urn in... (answered by ewatrrr)
An urn contains 7 white and 6 green balls. Four balls are randomly drawn from the (answered by dkppathak,natolino_2017,MathTherapy)