For numbers 10-13, write an equation that represents the proportional relationship between total cost (c) and the number of items a person might buy (x), using the store that offers the best price. where would you buy each item? keep in mind that an equation allows someone to calculate the total cost of a particular grocery item no matter how many of that item is purchased. hint: the cost equation should have the variable ‘c’ and ‘x’ in it. 10a. which store has the best priced smooth cola 12-pack? * 1 point a) store 1 b) store 2 the price for the store is 3 for 10 and 5 for 15

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step-by-step explanation:

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

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to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.