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19 November, 23:52

This is percent of change

15 yards to 18 yards

100 acres to 140 acres

$15.60 to 18 yards

125 centimeters to 87.5 centimeters

1.6 hours to 0.95 hour

and

132 days to 125.4 days

I was just wondering because so I could check my answers

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  1. 20 November, 01:36
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    15 - - > 18 is a percentage of 18/15*100 which is 120, so it's a 20% increase. Do the same for the rest:

    100 to 140 is a 40% increase

    " $15.60 to 18 yards" that doesn't make sense

    125 to 87.5 is a 30% decrease

    1.6 to 0.95 is a 40.625% decrease.

    132 to 125.4 is a 5% decrease.

    For the working, you do (first number/second number) * 100 and then work out what it's gone up or down by. If it's more than 100, do that number - 100, if it's less than 100 do 100-that number.
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