Algebra Grade 7
posted by randomchik on .
What would be the scale factor if an airplane is 87 feet long; 2 inches = 15 feet

Set up a proportion, cross multiply and solve for x.
2/15 = x/87
15x = 174
x = 11.6 inches
posted by randomchik on .
What would be the scale factor if an airplane is 87 feet long; 2 inches = 15 feet
Set up a proportion, cross multiply and solve for x.
2/15 = x/87
15x = 174
x = 11.6 inches