518 + 372
= 500 + 18 + 300 + 72
= 800 + 18 + 72
= 800 + 90
= 890
Answer:
4
Step-by-step explanation:
The constant of proportionality is what determines the relationship between y and x. If t is the constant of proportionality then an example is y = tx .
So 4 is the constant of proportionality
Answer:
30
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
First you find the amount of people at the reunion which was 80. Then you find 25% of 80. 25% of 80 is 20. The only age group with 20 people is the 20-29 year olds.
Answer:
2,4,6,8,10,12,14,16,18,20,,22
Step-by-step explanation: