Linda's penny bank is 1/10full. After she adds 480 pennies,it is 1/2 full. How many pennies can Linda's bank hold?

The perimeter of the rectangle is 34 1/8 inches. To find it, you converted the mixed number dimensions to improper fractions, used the perimeter formula, and simplified the result to a mixed number.

To find the perimeter of a rectangle, you can use the formula P = 2(l + w), where P represents the perimeter, l is the length, and w is the width.

In this case, the length of the rectangle is 10 3/16 inches, and the width is 6 7/8 inches. To add mixed numbers, first convert them to improper fractions for easier calculation.

Length:

10 3/16 = (10 * 16 + 3) / 16 = 163/16 inches

Width:

6 7/8 = (6 * 8 + 7) / 8 = 55/8 inches

Now, plug these values into the formula:

P = 2(163/16 + 55/8)

Now, find a common denominator, which is 16:

P = 2((163/16) + (110/16))

Now, add the fractions:

P = 2(273/16)

Multiply the sum by 2:

P = (2 * 273)/16 = 546/16

Now, simplify the fraction by dividing both the numerator and denominator by their greatest common divisor, which is 2:

P = (546/2)/(16/2) = 273/8

So, the perimeter of the rectangle is 273/8 inches. To express it as a mixed number:

273/8 = 34 1/8 inches

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