If 5 is added to twice a number and this sum is multiplied by 10, the result is the same as if the number is multiplied by 5 and 20 is added to the product. What is the number?	Pick
A) -5 B) -8 C) -2 D) 10 E) 11
let the number be x;   10(5+2x)=5x+20;   x=-2   ANSWER:-2
<result>C</result>
If 5 is added to twice a number and this sum is multiplied by 10, the result is the same as if the number is multiplied by 5 and 20 is added to the product. What is the number?