The ratio of zoya's age to nelya's age is 1:4. twenty years from now, nelya will be twice as old as zoya will be then. find thei
r present ages.
1 answer:
A) 4*z = nelya
B) 2 * (z + 20) = nelya + 20
Inputting equation A into B)
2z + 40 = 4z + 20
2z = 20
zoya's age is 10 and nelya's age is 40
You might be interested in
The constant of proportionality is 2.50
Answer:
I think it is 3.5
Step-by-step explanation:
8.5:250*100 =
(8.5*100):250 =
850:250 = 3.4
Answer:
b-13
Step-by-step explanation:
I'm pretty sure this is right? Unless I'm missing something, if I am I am terribly sorry.
The percentage of buttons that are large is 75%.
I think what you are looking for is 5x=300 therefore x=60 so at 60cars he would start to make more.