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herooftime3000
If you are asking how to subtract 125 centimeters and make it 87.5, you have to subtract from 125. The easiest way to do this is to subtract 87.5 from 125, getting 37.5. So, if you add 37.5 to 87.5, you will have 125. So, the correct answer is to subtract 37.5 to get 87.5.
danielmaduroh

In this question we need to find the percentage of change, that is, we need to compare old to new values. So, in this problem we have that:


125 centimeters to 87.5 centimeters


is a decrease of 37.5 (that is, 125-87.5) centimeters, that is the change ( we have subtracted old value from the new value). So, the percentage of change is obtained by dividing that change by the old value and multiplying by 100, then:


[tex] \frac{37.5}{125} \times 100 = \boxed{30 \%} [/tex]

danielmaduroh

In this question we need to find the percentage of change, that is, we need to compare old to new values. So, in this problem we have that:


125 centimeters to 87.5 centimeters


is a decrease of 37.5 (that is, 125-87.5) centimeters, that is the change (we have subtracted old value from the new value). So, the percentage of change is obtained by dividing that change by the old value and multiplying by 100, then:


[tex] \frac{37.5}{125} \times 100 = \boxed{30 \% \ decrease} [/tex]

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