The amount of the salmon left after Mr Jones used some part is
How to find the amount left
Total amount of salmon bought is 6 and 2/7 lb = 6 2/7 lb
The amount used is 1/5 of the amount Mr Jones bought
= 1/5 * 6 2/7
= 44 / 35
= 1 9/35
= 1.257
The amount left is calculated by subtraction
= 6 2/7 - 1 9/35
= 176 / 35
= 5 1/35
Learn more about fractions:
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