Math Question: If a 12 shell cupboard requires 18 ft of wall space then how much wall space would a 30 cup shelf require? Mathematics Interview QuestionAnswer: 45 Previous QuestionNext QuestionA boy multiplied a number with 10 and got 100. If he divided it by 10, what would be the answer?The average salary of three employee is $950 per week. If one employee earns $1150 and other earns $650 rupees, how much will third be earn?