
 Qu. 1 & 2: Write the code & expression

 1. the perimeter of a triangle in which the smallest side is one less than the middle and the
largest side is one more than the middle
 (perimeter)
 (smallest) + (middle) + (largest)
 ((middle)  1) + (middle) + ((middle) + 1)
 (x  1) + (x) + (x + 1)
 3x

 2. the total value of the following coins:
 some pennies,
 five more nickels than pennies,
 one fewer quarter than the number of pennies
 (pennies) + (nickels) + (quarters)
 1(pennies) + 5(nickels) + 25(quarters)
 1(x) + 5(x + 5) + 25(x  1)
 x + 5x + 25 + 25x  25
 31x

 3. Write an algebraic area problem and answer it.
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