scale for dollhouse

[Psychguy98]

If the scale for a dollhouse is 3 inches: 2 feet and a shelf is 6 feet high, how high would you make a dollhouse-scale shelf?

a.) 1.5 inches
b.) 2 inches
c.) 12 inches
d.) 9 inches
e.) 3 feet

Can i use a proportion?

 

[tkhunny]

Exactly correct

3":2'::x":6'

Solve or x.

 

[mmm4444bot]

Yes, but you first need to pick a symbol to represent the unknown number of inches, before you can write a proportion.

Write down your symbol definition.