Question 1051843
Hi
Ken and Ivan had some sweets. After ken gave away 5/7 of his sweets, he had 2/3 as many as ivan.
ivan then gave away 120 sweets and he had 1/4 as many sweets as ken. How many did each have at first.

thanks


{{{(2/7)*k}}}={{{(2/3*I)}}}
{{{(I-120)}}}={{{(1/4)*(2/7)k}}}

first part
{{{(k)}}}={{{(7/2)(2/3*I)}}}
{{{k}}}={{{(7/3*I)}}}
{{{3k}}}={{{(7*I)}}}
second part
{{{(I-120)}}}={{{(1/14)k)}}}
{{{(14I-1680)}}}={{{k)}}}

*[invoke linear "k", "I", 3, -7, 0, -1, 14, 1680 ]