When a number is added to 1 fifth of itself, the result is 24 The equation that models this problem is n plus 1 fifth n is equal to 24 What is the value n ?
Answer
A
n is equal to 20
B
n is equal to 18
C
n is equal to 21 and 4 fifths
D
n is equal to 23 and 4 fifths
Explanation
Combine the terms in the equation: n + 1/5n = 6/5n. Set this equal to 24, then multiply both sides by 5/6: n = 24 × 5/6 = 20. So the number is 20, choice A.
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