Question

4.
+3
Short Method
+1
3
7, 2
+ 5
3
Coln Al
12 16
1 5
8. 3
8 12
4 3
11. 3+1+1
15 20
1 1 5
14. 2 +1
+ 2
+ 3
3
6 12
7
9. 2
10
15
1 1
1
12. 3
+ 4 + 6
3 4.
6
3
5
15. 2 +
7
+1
4
16
2
10. 3 +1 +2
3
2
5
13. + 3
+4 + 2
3
18
+3
8
7
What is the total cost of both the​

Answer 1

please write the question properly and clearly