Math Problem Statement

有甲、乙、丙三艘船,需要运送A、B两种货物到河对岸。已知甲每次可以运12箱A货物或者13箱B货物:乙每次可以运9箱A货物或者12箱B货物;丙每次可以运9箱A货物或者15箱B货物;现要求运送到河对岸的A、B两种货物总箱数必须一致,则七次内最多可以运送A,B两种货物共(  )箱。 A.254 B.258 C.137 D.129

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Diophantine Equations
Mathematical Optimization

Formulas

Equations of the form ax + by = c

Theorems

Linear Diophantine Equation Theorem

Suitable Grade Level

High School