100*25 = 2500
So 100 * 25 metres = ...
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1 meter = 100 cm 1 square meter = 100 x 100 = 10000 sq cm 25 sq meter = 25 x 10000 sq cm Each tile is 25 sq cm Therefore number of tile required = (25 x 10000)/25 = 10000 tiles
100. (standard lap= 25 meters, 2500 divided by 25= 100
-x+25 = 100 -x = 100-25 -x = 75 x = -75 Substituting the value of x into the original equation: - - 75+25 = 100 Remember that in maths a - - is equal to a +
25 x 100% = 25
17/25 = 17/25 x 100 % = 17 x 100/25 % = 17 x 4 % = 68 %