4% = 0.04 0.04 ( 2 a + b ) = 18 / : 0.04 2 a + b = 450 t h e g re a t es t p oss ib l e v a l u e o f b i f a = 1 : 2 ⋅ 1 + b = 450 2 + b = 450 b = 450 − 2 b = 448 ← an s w er
To determine the greatest possible value of b, we derived the equation 2a + b = 450 from the initial condition. By setting a to its smallest positive integer value (1), we found that b equals 448. Thus, the maximum value of b is 448.
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