Answer:
Step-by-step explanation:
5 + 6 = 11 x 2 - 1 = 21 therefore its 21
Well If you mean't 15 1/2 it is 15.5 This is because a decimal is made for parting using place values like tenths, hundredths, thousandths, etc. The 1/2 part is is .5 because 5 is half of 10.
*I explained a bit more in the comments of my answer.
Answer: 11/15
Step-by-step explanation:2
5
+
1
3
=
2 × 3
5 × 3
+
1 × 5
3 × 5
=
6
15
+
5
15
=
6 + 5
15
=
11
15
82.4+108.6=191 and 12052.1 divided by 191=63.1
So the answer is 63.1
