Let <em>x</em> be the number of one-striped fish and <em>y</em> the number of two-striped fish.
100 families each have 2 fish, so there are a total of 200 fish:
<em>x</em> + <em>y</em> = 200
<em>x</em> one-striped fish carry a total of <em>x</em> stripes, while <em>y</em> two-striped fish carry a total of 2<em>y</em> stripes. There are 273 stripes overall, so
<em>x</em> + 2<em>y</em> = 273
Solve for <em>x</em> and <em>y</em>. Subtracting the first equation from the second eliminates <em>x</em> :
(<em>x</em> + 2<em>y</em>) - (<em>x</em> + <em>y</em>) = 273 - 200 ==> <em>y</em> = 73
Then
<em>x</em> + 73 = 200 ==> <em>x</em> = 127
The answer is 0.5
Have an nice day!
Answer:
the answer is 8
Step-by-step explanation:
times 4 8 times and it is 32
The is gonna be 2.72 because its subtraction an it you where to subtract 8.7 from 11.42 the answer would be 2.72
