Answer:
Step-by-step explanation:
Given that x and y are proportional and the equation relating them is
y = rx ← r is the constant of proportionality
To find r use any ordered pair from the table
Using x = 9, y = 4.5 , then
4.5 = 9r ( divide both sides by 9 )
= r , that is
r =
Make the same denominator (12) and then make them both non mixed numbers 93/12 and 54.6666.../12
so 147.666.../12
12.305/12
The equation would be 152 - 19 = X
X = 152 - 19
X = 133
There are 133 species of birds at the zoo
Answer:
<h2><em><u>
11.2 - B to C
</u></em></h2><h2><em><u>
12 - B to A
</u></em></h2><h2><em><u>
8.8 - A to C
</u></em></h2>
You have to multiply all the sides by 4.
B to C = 2.8*4
2.8 * 4 = 11.2
B to A = 3*4
3*4 = 12
A to C = 2.2*4
2.2*4 = 8.8
Hope this helped!
