# Chapter 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises - Page 437: 42

a) $6250$ people b) $3$ days

#### Work Step by Step

a) $C(d) = 2(5^{d})$ $C(d) = 2(5^{5})$ $= 2(3125)$ $= 6250$ people b) $250 = 2(5^{d})$ $125 = 5^{d}$ $5^{3} = 5^{d}$ $d = 3$ days

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