Answer:
20 male learners
Total number of learners is 50
Step-by-step explanation:
(See attachment below)
Answer:
-1 < x
Step-by-step explanation:
-10 < x - 9
+9. +9
-1 < x
Answer:

Step-by-step explanation:
The given expression is
.
This expression is the same as;
.
Or
.
We regroup the terms to obtain;

We simplify to get

Answer:
1 hour and 23 minutes
Step-by-step explanation:
11:32-10:09=1:23
Thinking through this logically, one hour after 10:09 is 11:09 and we know that it took him longer than this.
We can then subtract the minutes without having to worry about the base-60.
32 minutes -9 minutes =23 minutes
We then add the 23 minutes to the 1 hour and determine that it took him 1:23 (one hour and twenty-three minutes).