Answer:
15.

16. 10 ml of 20% saline and 40 ml of 10% saline
Step-by-step explanation:
A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes
x + y ml that is 50 ml, so

There are
ml of salt in x ml of 20% saline and
ml of salt in 10% saline. There are
ml of salt in 50 ml of 12% saline. Thus,

15. We get the system of two equations:

16. Solve this system. From the first equation:

Substitute it into the second equation:

Answer: Length: 16, Width = 13. Enjoy math while its not too complicated
Answer:
invalid conclusion
Step-by-step explanation:
Answer:
It all depends on the reduction, like by 2 it would shrink half the size or 3it would get smaller but not bt much. So all deoends
Step-by-step explanation: