Two mechanics worked on a car. the first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. together they
charged a total of $1775 . what was the rate charged per hour by each mechanic if the sum of the two rates was $165 per hour? note that the aleks graphing calculator can be used to make computations easier.
1 answer:
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Answer:
The amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600
Step-by-step explanation:
Let x be the amount in the account at 12% interest
So, 6000-x is the amount in the second account at 7% interest
First account:
Second account :
We are given that At the end of the first year he had earned $590 in interest.
So,
So,the amount in the account at 12% interest is $3400
The amount in the second account at 7% interest =6000-x=6000-3400=2600
Hence the amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600