R - 18 = 50
r = 50 + 18 = 68
Hence Rick is 68 yrs old
Answer:
10 times larger
Step-by-step explanation:
I used my brain plus I learned it in 5th grade
Answer:
0.15
Step-by-step explanation:

0.15
72 triangles will be displayed I believe....
All you do is multiply 2 times 36 and you get 72. Because there are 2 triangles in one square, so 2*36.
Hope this Helps!
Answer:
9 sections
Step-by-step explanation:
We can find the number of section by dividing the total number of CDs by the number of CDs that each case holds.

= 9