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xpertgod18
xpertgod18 xpertgod18
  • 25-01-2017
  • Mathematics
Answered

A museum has a 1/2 ounce piece of a precious metal. When the museum first received the piece, it had a value of $90. Its value has since decreased by 20%. What is the current value per ounce of the piece of metal?

A:$72.00

B: $144.00

C: $36.00

D: $180.00

Verified Answer :

lke123
lke123 lke123
  • 05-02-2017


Current value = 90 - ( 90 12%)
= 90 - ( 90 0.12 )
= 90 - ( 10.8)
= 79.2

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