0.38^• or 7/18. If the x after the g and before the i is a multiplication (btw the ^• is a repeater
She would run 15 km in an hour and a half and 25 km in 2 1/2 hours
Given:
The expression is:

To find:
Part A: The expression using parentheses so that the expression equals 23.
Part B: The expression using parentheses so that the expression equals 3.
Solution:
Part A:
In option A,

[Using BODMAS]

In option B,

[Using BODMAS]

In option C,


In option D,

[Using BODMAS]

After the calculation, we have
and
.
Therefore, the correct options are B and D.
Part B: From part A, it is clear that

Therefore, the correct option is C.
12.
It is easy all you have to do is 15-3 because 1+2=3