Question

Write the linear equation in two variables to represent the statement, “Cost of 7 oranges exceeds the cost of 1 dozen of bananas by 24 rupees”. If the cost of 1 banana is 5 rupees then find the cost of 1 orange.

Answer 1

Answer:

As we go higher from species to kingdom, the number of common characteristics goes on decreasing. Lower the taxa, more are the characteristics that the members within the taxon share. Higher the category, greater is the difficulty of determining the relationship to other taxa at the same level.

Answer 2

Let the cost of oranges be ₹x,

Cost of bananas will be ₹y

7x - 12y = 24

Cost of 1 banana = ₹5

Cost of 12 bananas = 12 × 5 = ₹60

7x - 60 = 24

7x = 84

x = 12

Cost of 1 orange = ₹x = ₹12

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