a)one week a height of a plant increased from 30cm to 35cm. work out the percentage increase.
b) the following week the height increased by 12% . Work out the new height.
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Answer:
Increase in height=71cm−65cm=6cm
% increase=
originalheight
changeinheight
×100
=
65
6
×100
=
13
120
=9.23%.
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