A metal alloy is made by adding ½ ounce of metal C and ⅓ ounce of metal D. What is the total weight of the alloy?
2 answers:
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Answer:
23 months
Also please note that it's everytime ^t/12 not (^t)/12
Step-by-step explanation:
Principal (P) = $2700
rate = 9%
t = ?
Amount =
Amount = 2700 +500 = $3200
So substituting all our values we get :
So we use log to solve for t :
Solving this using a calculator we get:
1.9714966193*12
=23 months