Answer:
If 10 is the average then 10 each side would be 20
so that 15 fits into 20 at 3/4
1- 3/4 = 1/4
So the answer is 1/4
Step-by-step explanation:
35000 feet
(y+17)÷18=22.5
y+17=22.5×18
y+17=405
y=405-17
y=388
Since Seina is 4cm taller, her height is h+4.
