A PHOTOGRAPHIC NEGATIVE MEASURES(1) FOR EVERY TEN CENT INCREASE IN...
28. A photographic negative measures
(1) For every ten cent increase in
1
7
2
inches. If the longer
8
inches by 2
1
price, the sales will decrease by
side of the printed picture is to be
5 percent.
4 inches, what will be the length of
(2) Each candy bar now costs 60 cents.
the shorter side of the printed
picture?