Question 1064746
Use a ratio
miles / cm = miles / cm
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{{{ 30 / 1 = 110 / x }}}
Multiply both sides by {{{ x }}}
{{{ 30x = 110 }}}
{{{ x = 11/3 }}}
{{{ x = 3.667 }}}
Rounded off to nearest tenth:
{{{ x = 3.7 }}} cm on the map is
the distance between the cities