% = 1/100
of = *
13/100 * 13/100
169 / 10000
0.0169 = 1.69%
Answer:
above the sea level means height than the sea and below sea level means lower than sea height
Answer:
The sum of two numbers is 84:
u + y = 84
The difference of the two numbers is 32:
u - y = 32