New cost of vegetables = $\frac{5}{4} \times 2700$ = Ksh. 3,375
Actual new cost = $\frac{14}{15} \times 3,375$ = Ksh. 3,175
John's family expenditure increased by 3150 - 2700 = Ksh. 450
raphael answered the question on January 16, 2017 at 09:37
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