Make use of the fact that side lengths in similar triangles are proportional.
.. 30/18 = (20 +x)/20
.. 20*(30/18) -20 = x . . . . multiply by 20, subtract 20
.. 33 1/3 -20 = x . . . . . . . . evaluate the product
.. 13 1/3 = x
Answer:
B?
Step-by-step explanation:
Answer:
data set C.
Step-by-step explanation:
This set has a bigger/wider range (1-5)
It has to be the last one, D. I did it over 3 times to make sure.
Answer:
0.4
Step-by-step explanation:
$4.80 divided by 12 = 0.4
