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5 votes
Evaluate the following expressions for r = 13.

a) (8 + r) x 3
b) 5r + 97

1 Answer

4 votes

a) (8 + r) x 3 = (8+13)x 3 = 21x 3 = 63

b) 5r + 97 = 5
× 13 + 97 = 65 + 97 = 162



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