5
2

−
1
2
= ?

So,
5
2

−
1
2

=
5 − 1
2

=
4
2
= 2

7
3

−
3
6
= ?

So,
7
3

−
3
6

=
7 × 2
3 × 2

−
3
6

=
14
6

−
3
6

=
11
6

3
5

−
2
4
= ?

So,
3
5

−
2
4

=
3 × 4
5 × 4

−
2 × 5
4 × 5

=
12
20

−
10
20

=
2
20

5
2

−
1
2
= ?

So,
5
2

−
1
2

=
5 − 1
2

=
4
2
= 2

7
3

−
3
6
= ?

So,
7
3

−
3
6

=
7 × 2
3 × 2

−
3
6

=
14
6

−
3
6

=
11
6

3
5

−
2
4
= ?

So,
3
5

−
2
4

=
3 × 4
5 × 4

−
2 × 5
4 × 5

=
12
20

−
10
20

=
2
20

Jul 20, 17 10:41 PM
A water tank is emptied at a constant rate. Initially, 36,000 gallons of water were in the tank. A the end of five hours, 16,000 gallons remained. How
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Jul 20, 17 10:41 PM
A water tank is emptied at a constant rate. Initially, 36,000 gallons of water were in the tank. A the end of five hours, 16,000 gallons remained. How