What is 21 1/4%expressed as a fraction?

it would be 85/4

Step-by-step explanation:

21*4+1= 85/4

How to reduce (simplify) ordinary fraction 21/4? Fraction can't be reduced (simplified). 21/4 = 5 1/4 = 5.25; Result written as a positive improper fraction, a mixed number (also called a mixed fraction) and a decimal number. Ordinary (simple, common) math fraction reducing to lowest terms (simplifying), answer with explanations belowHow to reduce (simplify) ordinary fraction: 21/4?

363 square inches

step-by-step explanation:

surface area of a pyramid is b + 1/2ph

b is the area of the base: 11 x 11 = 121

p is the perimeter of the base: 11 + 11 + 11 + 11 = 44

h is the height of the pyramid: 11

121 + 1/2(44)(11)

121 + 242

363