If a buyer purchases 25% of a lot in the spring and then purchases 50% more later in the fall, what percentage of the lot is still available for purchase?

Question

14-06-2018
Mathematics

contestada

If a buyer purchases 25% of a lot in the spring and then purchases 50% more later in the fall, what percentage of the lot is still available for purchase?

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calculista calculista · Answer 1 · 2018-06-24T22:32:11+02:00

calculista calculista

24-06-2018

let
T--------> the total of the lot

we know that
a buyer purchase=0.25T+0.50T------> 0.75T

lot still available for purchase=T-[0.75T]-----> 0.25T
T----------> 100%
0.25T----> x
x=0.25T*100/T------> x=25%

the answer is
25%

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