Alvin's age + Elga's age = 84
2R + R = 84
3 R = 84
3/ 3 R = 84/ 3
R = 28
Elga's age is 28
You multiply the options in each section:
Shirts x skirts x shoes
7 x 6 x 4
=168
So, there are 168 combinations- Letter answer B
Answer:
4/5 mile
Step-by-step explanation:
14/15 - 2/15 = 12/15 or 4/5
Hi.
First, I am going to give you some definitions.This will help you do the problems.
-Complementary angles have a combined sum of 90.
- Supplementary angles have a combined sum of 180.
10. 40+50=90- so YES.
12. 159+20= 179.-so NO.
Make sure you learn the definitions properly next time!
=)
