Respuesta :

Answer:

45

Step-by-step explanation:

40 is 18% of 45

The number that equals 18 is 45.

Answer: 45

Hope this helps.

Answer: 100
Explain:
45% of 40 is 18 (0.45x40=18)
18% of 100 is 18 (18/100=0.18x100=18)

I hope it makes sense