Question 889665
The cost for one avocado is:
{{{ c/a }}}  cents/avocado
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Converting dollars to cents, you have:
{{{ 100d }}} cents
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In words:
( cents ) / ( cents / avocado ) = avocados
{{{ 100d / ( c/a ) = ( 100a*d ) / c }}}
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check:
If 
{{{ a = 10 }}}
{{{ c = 300 }}}
{{{ d = 6 }}}
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Avocados that can be bought with {{{ 6 }}} dollars:
{{{ ( 100*10*6 ) / 300 = 6000 / 300 }}}
{{{ 6000 / 300 = 20 }}}
That looks right