A photograph measuring 5 cm by 7 cm is enlarged in the ration of 7:5. What is new length and width of the picture ?
A photograph measuring 5 cm by 7 cm is enlarged in the ration of 7:5. What is new length and width of the picture ?
Explanation
Enlarge ratio = 7/5
new length = 5*7/5=7 cm
New width = 7*7/5=49/5=9.8 cm