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Stels [109]
2 years ago
15

The PTA created a back to school backdrop and snapped polaroid pictures. The polaroid photo measures 3 inches by 4 inches. They

determine that the scale is 1 inch = 1.5 feet.
1. What are the dimensions of the actual backdrop?

2. How many square feet does the backdrop cover?
Mathematics
1 answer:
Ierofanga [76]2 years ago
3 0
1: 4.5 ft by 6 ft
2: 27 sq. ft.



First, just multiply 3 and 4 by 1.5 to convert inches to feet using the scale. You end up with 3*1.5 and 4*1.5, which equals 4.5 and 6. So the dimensions are 4.5 feet by 6 feet.

Now, just multiply 4.5 by 6 to get 27 square feet.



Please consider marking this answer as Brainliest to help me advance.
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The information from the first equation gives you the information needed for the second. To solve the first equation you must rearrange the equation to isolate X. In order to do that you can first move the 3 to the other side of the equation by subtracting it from both sides (5x + 3 - 3 = 4 - 3) and then simplify that to (5x = 4 - 3) and further to (5x = 1). Then to move the 5 you must divide both sides by 5 so you get (5x/5 = 1/5) which can be simplified to (x = 1/5)

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