There are 9 two-year-olds and 18 each of 3 and 4 year olds.
To solve this we could write and solve the equation below, letting x be the number of 3 and 4 year olds.
x/2 + x + x = 45
x + 2x + 2x = 90
5x = 90
x = 18
From here, we just divide 18 by 2 to get the number of 2 year olds.
Answer:
Gimnazjum?
Również twoje pytanie jest trudne dla ludzi, którzy mówią po angielsku ...
Answer:
10 because there there are 2 ten
The width is 146.0315533981 cuz 12033÷82.4 is 146.0315533981
Answer: -16
Step-by-step explanation:
2(x+4)
———— = 8
- 5
2x+8
——— = 8
-5
2x+8
-5 • ——— = 8(-5)
-5
2x+8 = -40
2x = -32
x = -16