Answer:
Step-by-step explanation:
We know a total of 6000 is being turned into 510, in two accounts which equal to 15%, to find how much is in each account we can create the following equation:

Solve for x

Now multiply x by the corresponding percentages to find how much was invested into each percentage.


Therefore we now know that 170 dollars was invested into the 5% division, and 340 dollars was invested into the 10% division.
We can of course check our answer by adding 170+340 which equals our original investment of 510.
Step-by-step explanation:
$900 that he gained in December +$500 that he gained in January-$300 that he lost=$1100
For both its 47.58 for low one its 22.68 and high 24.90
Answer:
3.491
Step-by-step explanation:
move the decimal over 3 places.
X² = 1/4 ⇒√⇒ x₁ = 1/2, x₂ = -1/2