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Museum Technician and Conservator

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JOB OUTLOOK

Stable

Real-Life Activities

Real-Life Math -- Solution

First, you need to calculate the width and length of the matting. The photo is 8 1/2 inches wide. You need to add 1 1/4 inches to each side of the photo.

8 1/2 + 1 1/4 + 1 1/4 (for both the left and right hand side) = 11

Now, do the same thing to calculate the length of the matting.

11 (the length of the photo) + 1 1/4 + 1 1/4 (for both the top and bottom of the photograph) = 13 1/2

The measurements of the matting are 11 x 13 1/2 inches.

Next, you calculate the area of the matting. The matting is rectangle-shaped. The formula to determine the area of a rectangle is length times width.

11 x 13 1/2 = 148 1/2 square inches

Now you can figure out the cost of the glass.

148 1/2 x $0.10 = $14.85

The cost of framing the picture is $14.85.

Conservation restoration technician Janelle Matz says she doesn't use math on a day-to-day basis. Still, situations do arise where she needs to remember basic math skills.

"When matting and framing, I need to be able to add and subtract fractions," she says. "Probably the most difficult activity, math-wise, is creating solutions of a known percentage by mixing a solid and a liquid."


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    From outside the U.S., please call +1 (424) 750-3900
  • North Dakota Career Resource Network
    ndcrn@nd.gov | (701) 328-9733

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