i need help so bad!!! Javier invests money in two accounts. He invests twice as much in an account paying 12% as he does in an account paying 7%. If he earns $310.00 in interest in one year from both accounts combined, how much did he invest altogether?
A.$750
B.$1050
C.$300
D.$950

Question

i need help so bad!!! Javier invests money in two accounts. He invests twice as much in an account paying 12% as he does in an account paying 7%. If he earns $310.00 in interest in one year from both accounts combined, how much did he invest altogether? 
        A.$750
	B.$1050
	C.$300
	D.$950

anonymous · Answer

$$.07x+.12*2x=310$$Multiply by one hundred$$7x+24x=31000$$

anonymous · Answer

from above you would get x = 1000. But that is just the amount invested at 7%, double was invested at 12% so in total he invested $3000

anonymous · Answer

3000 is not an anwser available?

anonymous · Answer

The answer should be 3009.708738

anonymous · Answer

A.$750
B.$1050
C.$300
D.$950 

These are all incorrect, none of them could possibly be the answer. If you think about it, even if you took the highest option "$1050", to make £310 interest the interest rates would have to be close to 30% which they are not.

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