The document contains several mathematical expressions and equations. It can be summarized as: 1) Several fractions, expressions, and equations are solved including additions, subtractions, multiplications, and divisions. 2) An equation is set up and solved to find the value of T: 1/3*T + 2/5*T + 8000 = T. 3) The value of T is calculated to be 30,000.

1. 1 +
3
2
:
3
5
= 1 +
3
2
.
5
3
= 1 +
5
2
=
2
2
+
5
2
=
7
2
7
22
.
33
9
+
10
11
=
7
2
∗
3
9
=
7
2
∗
1
3
=
7
6
+
10
11
1
3
+
5
6
−
3
5
∗
3
2
=
1
3
+
5
6
−
9
10
=
10 + 25 − 27
30
=
35 − 27
30
=
8
30
=
4
15
3
5
∗
2
3
−
2
5
=
3
5
∗
10 − 6
15
=
3
5
∗
4
15
=
1
5
∗
4
5
=
4
25
7
6
+
10
11
=
7.11
6.11
+
10.6
11.6
=
77
66
+
60
66
=
137
66

2. 5
24
:
7
42
+
9
14
=
5
24
:
1
6
+
9
14
=
5
24
:
7 + 27
42
=
5
24
:
34
42
=
5
24
∗
42
34
=
5
4
∗
7
34
=
35
136
3
2
∗
1
3
−
1
5
:
2
6
=
2
3
∗
5 − 3
15
:
1
3
=
3
2
∗
5 − 3
15
∗ 3 =
3
2
∗
2
15
∗ 3 =
1
5
∗ 3 =
3
5
3
10
+ 3 :
13
9
−
1
2
=
3
10
+
30
10
:
26 − 9
18
=
33
10
:
17
18
=
33
10
∗
18
17
=
33
5
∗
9
17
=
297
85

3. 9
4
−
5
6
∗
17
4
−
15
6
=
27 − 10
12
∗
51 − 30
12
=
17
12
∗
21
12
=
17
12
∗
7
4
=
119
48

4. 3
4
:
1
2
+
1
4
=
3
4
:
2
4
+
1
4
=
3
4
:
3
4
= 1
3
5
−
1
2
:
3
10
=
6
10
−
5
10
:
3
10
=
1
10
:
3
10
=
1
10
∗
10
3
=
1
3
3
2
+
4
2
∗
14
7
−
12
7
=
7
2
∗
2
7
= 1

5. 1
2
+
5
8
∗
1
3
−
1
9
=
4
8
+
5
8
∗
3
9
−
1
9
=
9
8
∗
2
9
=
1
4

6. 1,38 =
138 − 13
90
=
125
90
=
25
18
0, 5 =
5
9
25
18
+
5
9
=
25
18
+
10
18
=
35
18
0,02 =
2
90
=
1
45
4,5 =
45
10
=
9
2
1
45
∗
9
2
=
1
5
∗
1
2
=
1
10
0,39 =
39 − 3
90
=
36
90
=
12
30
=
2
5
0,8 =
8
10
=
4
5
2
5
+
4
5
∗
5
9
=
2
5
+
4
9
=
18 + 20
45
=
38
45

7. 1
3
∗ 𝑇 +
2
5
∗ 𝑇 + 8000 = 𝑇,
5
15
∗ 𝑇 +
6
15
∗ 𝑇 − 𝑇 = −8000
5
15
∗ 𝑇 +
6
15
∗ 𝑇 −
15
15
∗ 𝑇 = −8000
−4
15
∗ 𝑇 = −8000
𝑇 =
−8000 ∗ 15
−4
= 2000 ∗ 15 = 30000
ISABEL
1
3
∗ 30000 = 10000
MARINA
2
5
∗ 30000 = 2 ∗ 6000 = 12000
ROBERTO
8000
T=10000 + 12000 + 8000 = 30000

8. 15
15
= 1
16
16
= 1