Answer:
27 years old
Step-by-step explanation:
Let Alvin's age be x and Elga's age is y:
y - x = 15
x + y = 27
2y = 42 (use elimination method)
y = 21
x = 6 (plug it back into either equation)
Therefore Alvin is 6 and Elga is 27
40 % out of 80 for red
20% out of 80 for blue
It would be 70r if you are using distributive property
Answer:
19.5
Step-by-step explanation:
165 divided by 8 is 19.5
