Answer:
The bus fair is 50% increases.
Step-by-step explanation:
The percentage is the proportion of the relation to the whole.
Percentage increase is calculate as ratio of difference of original and new value to the original value. i.e.

∴
⇒ Percentage increase = 50%
Answer:
a) 20 years
Step-by-step explanation:
Hina: x
Nora: x + 4
x + x + 4 ≤ 45
2x + 4 ≤ 45
2x ≤ 41
x ≤ 20.5
20 years old and 15 years old would be ≤ 20.5 but the question asked for maximum possible age so 20 years old it is.
Answer:
85/3
Explanation:
3x + 5 = 90
3x = 85
x = 85/3
You did the other numbers wrong, but it is very simple and all you have to do is pretend that there is 10 in each row
Answer:
$20.71/
Step-by-step explanation:
290 ÷ 14 = 20.71 (rounded)