7 x − N u mb er o f co w s 3 x − N u mb er o f h orses 7 x = 35 ∣ : 7 x = 5 7 x + 3 x = 7 ∗ 5 + 3 ∗ 5 = 35 + 15 = 50 C o mbin e d am o u n t o f co w s an d h orses i s e q u a l t o 50.
hud9 ;
The farm has 35 cows and, based on a 7:3 ratio of cows to horses, there are 15 horses. Therefore, the combined total number of cows and horses is 50.
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