Question 548227
Let {{{a}}} = number of days before August 17
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given:
{{{ 50 + a }}} days before August 17 it was
{{{ 4a }}} days since March 30
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{{{ 4a + 50 + a }}} = number of days between 
March 30 and August 17
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March 31 = 1 day
April has 30 days
May has 31
June has 30
July has 31
There are 16 days before August 17 
{{{  1 + 30 + 31 + 30 + 31 + 16 = 139 }}}
{{{ 5a + 50 = 139 }}}
{{{ 5a =89 }}}
{{{ a = 17.5 }}}
I'll call it 18 days
check:
August 17 minus 18 days is July 31
July 31 minus 50 days is June 10
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{{{ 4*18 = 72 }}}
Is it 72 days since March 30?
{{{ 1 + 30 + 31 + 10 = 72 }}} days
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I believe 18 days is the answer, but I lost
1 day somehow in my calculations