Lacey had brochures printed for her new business venture. She originally ordered 3 boxes of black-and-white brochures and 5 boxes of color brochures, which cost a total of $152. After those ran out, she spent $180 on 5 boxes of black-and-white brochures and 5 boxes of color brochures. Given that the prices didn't change, what was the price of each type of brochure?

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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the answer for this question is a= 13,622.84

step-by-step explanation:

false

inverse variation is not exponential

the area of a triangle is determined by the formula: base x height * 1/2

you'll need to assign a base to the triangle. based on the vertices given, the simplest base would be the line segment from (-2,1) to (2,1). the distance between any two numbers is found by just subtracting them. here, you should subtract the x values to find the distance of this side.

2 - (-2) = 4.

so the distance (aka the length of the base) is 4. the height of the triangle is the distance between the base and the highest point on the triangle which is (3,4). we should subtract the y values this time to find the height/distance.

4 - 1 = 3

so the height is 3.

base = 4

height = 3

hope this if needed hmu