Answer:
147
Step-by-step explanation:
10% = 350/10 = 35
35 x 4 = 140
1% = 350/100 = 3.5
3.5 x 2 = 7
7+140 = 147
A (A right triangle with a side length of 5 and hypotenuse with length \sqrt{74})
possible numbers, he can make with cards 5 9 0 :
