Question

Find the percent of change. Where necessary, round to the nearest percent. 31 in. to 7 in.

Answer 1

help please

Answer 2

Use a ratio eauation,
\[x/100=31/7\]
x being the percentage over 100 and 31/7 being what you are trying to find.
Use cross multiplication with gives you...
\[7x=3100\]
then solve for x by dividing 3100 by 7 which then gives you...?