posted by Dj .
Jeremy enlarged a picture.The length of the original picture is 8cm and the width is 5cm.The length of the enlarged picture is 10cm and the width is 7cm.
A.What percent is the 10cm length of the 8cm length?
B.What is the area of each picture?By what percent is the area changed?
pls show the solution
see earlier post of the same question