A man invests 10,000 dollars in two seconds in two accounts, the first yielding 4 percent annual interest and the second, 5 percent. If x is invested in the first account, how much will the annual interest does the man earn on his investment?

500-0.01X

Step-by-step explanation:

Total amount invested is X, account 1 pays 4% and account 2 pays 5%. Total invested is the summation of the two interests:

#First Investment at 4%:

#Interest Earned on 2nd Investment, at 5%.

Hence, the net annual investment is 500-0.01X

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step-by-step explanation: