Show work please and correct

its down 1 over 2 each time

Based on the fractions given, the number of pounds of grapes that are bought will be 4 29/40 pounds.

Since we're are given the information that Martin bought 12 3/5 pounds of grapes for a picnic while his friend bought 3/8 of that amount.

Therefore, the amount that his friend bought will be:

= 3/8 × 12 3/5

= 3/8 × 63/5

= 189/40

= 4 29/40

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