Question

The cost of an orange and an apple is 15.50. The cost of 3 oranges and an apple is 31.50.
How much does each orange cost?​

Answer 1

Answer:

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Step-by-step explanation:

Let cost of oranges be ‘O’ and cost of Apples be ‘A’

The first statement gives an equation : 2O+3A=$350 ………..(1)

The second statement gives an equation:3O+2A=$400……….(2)

Adding (1) and (2) the equation becomes :

5*(O+A)=$750

=>O+A=$150 ……………………(3)

Now eq (2)- 2*eq(1)

3O+2A-2O-2A= $400–2*$150

=> O=$100 (answer)