45% of 40 is 18% of what number?
2 answers:
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
Answer:
45
Step-by-step explanation:
40 is 18% of 45
The number that equals 18 is 45.
Answer: 45
<em><u>Hope this helps. </u></em>
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Step-by-step explanation:
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Is this from khan academy?
Let x = times in the pool
Let y = times in the basketball courts
42=3x+5y
x+y=12
Therefore y = 12-x
Subsitute for y
42 = 3x + 5(12-x)
42 = 3x + 60 -5x
Subtract 60
-18 = -2x
9 = x
The person used the pool 9 times.
Yes you are correct with that answer