Answer:
0.405
Step-by-step explanation
45 x 0.9%= 0.405
x = 5000
Explanation:
Let us say 45 is 0.9% of x
=> 0.9% × x = 45
=> 0.9/100 × x = 45
=> x = 45 × 100/0.9
=> x = 4500/0.9
=> x = 45000/9
=> x = 5000
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