18 * E1 + x * E2 = [508, 458, 167]
18 * [9, 10, 5] + x * [30, 22, 7] = [508, 458, 167]
[162, 180, 90] + x * [30, 22, 7] = [508, 458, 167]
x * [30, 22, 7] = [346, 278, 77]
11 * [30, 22, 7] = [330, 242, 77] ≤ [346, 278, 77]
Es können 11 E2 hergestellt werden.