Answer:
$21
Explanation:
20% of 35 is 7, then you add 7 to 35 to get 42, then you split the earnings and get 21 dollars.
21
First find the tip
35 *20%
35*.2
7
He makes 35+7 = 42
But he splits it with his friend
42/2 = 21
He will make 21 and his friend will make 21
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