Strawberries cost $2 per pound. kate buys 5 pounds and gets 20% discount on the total cost. how much does kate pay for the strawberries?

8$

Step-by-step explanation:

If  strawberries cost $2 per pound and she buys 5 pounds we have to multiply the cost of 1 pound by 5.

The discount of 20% is applied to the $ 10, we calculate how much the value of 20% (using a simple rule of three) is and subtract it from $ 10.

geometry: triangles

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lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

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