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24 December, 21:19

Five pencils and 4 erasers cost $7.65. Four pencils and 5 erasers cost $7.20. What is the cost of 2 erasers?

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  1. 24 December, 21:36
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    I think this is right ... I tried my best. If u get it sorry ... I'm very sorry

    1. Divide 7.20 by 4 since the 4 are the pencils

    2. divide 7.20 by 5 (5 represents the erasers)

    3. Then finally multiply 1.44 from 7.20/5 and

    2 and u get 2.88
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