Answer:
x= ?
Step-by-step explanation:
Answer:
264.
Step-by-step explanation:
Let x represent the number of trout in the lake.
We have been given that a group of naturalists catch, tag and release 121 trout into a lake. The next day they catch and release 48 trout, of which 22 had been tagged.
Using proportions, we will get:
Therefore, there would be approximately 264 trout in the lake.
<span>Question (1)</span>
<span><span>When the divisor is a decimal, what must we do?</span> </span>
<span>1)<span> Multiply the divisor by 10, or 100, or 1000, etc., according to the number of decimal digits, so that it becomes a whole number.</span></span>
<span> 2)Multiply the dividend by the same power of 10.</span>
Question (2)
<span>When asked to add or subtract decimals, the most important step is to line up the decimal points. Step 1: Line up the decimal points so that similar place values are lined up. In other words, the tens place in both numbers should be lined up, the ones place in both numbers should be lined up, etc.</span>
Question (3)
<span>To multiply decimals: Set up and multiply the numbers as you do with whole numbers. Count the total number of decimal places in both of the factors. Place the decimal point in the product so that the number of decimal places in the product is the sum of the decimal places in the factors.</span>
6400.00 job a
5200.00 job b 10 percent of 1300.00 is 130.00
