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Two families go to the theatreThe Smith family of three adults and four children pay £67 the James family of five adults and six children pay £106work out the cost of an adult ticket and the cost of a child ticket |
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Answer» Answer: ADULT =11€ CHILDREN= 8.5€ Step-by-step explanation:
let's take adult as A ,child as C 3A + 4C = 67 ------(1) 5A + 6C = 106 -----(2) (1)* 5 ,(2)*3,,,,, 15A + 20B = 335 15A + 18B = 318 ------------------------------ 2B = 17 B= 17/2 = 8.5 € SUBSTITUTE B IN 1 , 3A + 4(17/2)=67 3A = 33 A = 11€ ADULT = 11€ CHILDREN= 8.5€ |
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