



 
Hi David, Percentage questions like this are straightforward to translate into an equation if you read the sentence carefully and compare it to reading an equation. When you read an equation, for example 5x = 6 "five x is equal to 6", you realize that the equal sign is the verb. Thus from your sentence
I see
Next, "of" is multiplication ("one half of 12 is 6" is "1/2 × 12 = 6"), and thus your sentence is
To make the notation simpler let S be the saddle height of the bicycle and I be the inside leg measurement of the rider. Hence we have
Finally 109% is 109/100 = 1.09 so
Harley  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 