Tisco and azda 4 for £1.56 at tisco's and azda sell 3 for £1.14 calculate the price per item.

0.39 at tisco's and 0.38 at azda

Step-by-step explanation:

You basically divide to find how much each item cost.

geometry: triangles

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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

he earned 78.75 in interest.

step-by-step explanation: