22.5/5 = 4.5
For every 4.5 minute, she runs 5 km
Answer:
es la respuesta de amigo mío es la d la respuesta
Let x be the 1st number
x + 9 be the second number
Equation:
x + x+9 = 171
Solution:
2x + 9 = 171
2x = 171 - 9
2x = 162
x = 81
x + 9 = 90
81 + 90 = 171
Equation would be b = 14m