Question 1133581
{{{40/15+40/13}}}{{{bushels per hour}}}


compute and find the reciprocal which will be hours per bushel.


{{{(13*40+15*40)/(13*15)}}}


{{{40*28/195}}}

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{{{(195(40*28))*40=195/28=highlight(6&27/28)}}}------------almost 7 hours for the two together to pick 40 bushels.