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In the evening, a water tank contained 30cm of water. A few days later, it contained 21 cm of water. Ahmed claims that there is a 30% decrease. is Ahmed correct

In the evening, a water tank contained 30cm of water. A few days later, it contained 21 cm of water. Ahmed claims that there is a 30% decrease. is Ahmed correct
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In the evening, a water tank contained 30cm of water. A few days later, it contained 21 cm of water. Ahmed claims that there is a 30% decrease. is Ahmed correct

asked
User Luann
by
7.5k points

1 Answer

7 votes
Yes.
30 x .30 = 9 cm is a 30% decrease
30-9= 21 cm
answered
User OpenSauce
by
7.5k points
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