26 cartons of 15 chocolate each cost rupees 2145. find the cost of 40 cartons of 18 chocolate each.
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Step-by-step explanation:
cost of 1 cartons of 15 chocolates=RS.2145
cost of 1 carton of 1 chocolates=rs. 2145÷15=rs.143
cost of 1 carton of 18 chocolate=rs.143×18=rs.2574
cost of 40 cartons of 18 chocolate=RS.2754 ×40=rs.102960
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