Answer:
75, 77
Step-by-step explanation:
Let the first odd number = 2x -1
Let the second odd number = 2x + 1
2x - 1 + 2x + 1 + 18 = 170 Combine like terms on the left.
4x + 18 = 170 Subtract 18 from both sides.
4x = 170 - 18 Combine like terms on the right
4x = 152 Divide by 4
4x/4 = 152/4
x = 38
2 * 38 - 1 = 75
2 * 38 + 1 = 77
Answer:
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Answer:
x=3cm
Step-by-step explanation:
This is a basic proportion question.
2/18 = x/27
Try to use Socratic or Photomath
M=f+240
m+f=25000, using m from above in this equation gives you:
f+240+f=25000 combine like terms on left side
2f+240=25000 subtract 240 from both sides
2f=24760 divide both sides by 2
f=12380, and since m=f+240
m=12620
So there are 12620 males and 12380 females in the city.