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:
R is 4 if I'm wrong sorry
Answer:
−
6
Step-by-step explanation:
-9 yards
5 sets of 3 yards
minus
2 sets of 12 yards
= -9
