Answer:

Step-by-step explanation:
[in picture]
It is 1

or as an improper fraction it would be
Required expression is x/9 - 7
Answer:
Step-by-step explanation:
The ratio of boys to girls is
7
:
11
, and there are
49
boys, so therefore there are
49
7
⋅
11
=
77
girls
Total number of boys and girls in the classroom is
77
+
49
=
126
.
Answer:
I cant see the picture srry
Step-by-step explanation: