life and style  Paying the price for pre-packed fruit  Is the
convenience of pre-prepared, packaged fruit really worth up to
five times the price of the loose items?   Pre-packed melon.
Photograph: Sean Smith  They're sold as cool and easy, they come
with their own fork, and you don't even have to feel guilty
about eating them (if you set aside concerns about
overpackaging) because they're healthy too.  On a scorching
summer's day, the prepared fruit pack makes a very tempting
proposition indeed. It can even seem inexpensive, sat alongside
the single-serving sized smoothies and the seasonal superfood
sandwiches - it's just £1 for a Tesco fruit medley and £2.99 for
enough Sainsbury's exotic fruit mix to get a mighty four of your
five-a-day - it almost seems good value.  Unfortunately part of
you just knows it's not, and in the few seconds it takes you to
pick it out of the chiller cabinet by the door, walk to the
checkout and out of the store to scoff the cool fruity goodness,
you've probably wondered how much