Robert spent $55 in buying raw materials, $125 in buying machinery and 10% of the total amount he had as cash with him. What was the total amount?
Choose the correct option.
A) A)$150 B) B)$210 C) C)$250 D) D)$160 E) E)$200
Let the total amount be x   then, (100-10)% of x = 55+125   90% of x = 180   90x/100 = 180   x = $200   Answer is $200
<result>E</result>
Robert spent $55 in buying raw materials, $125 in buying machinery and 10% of the total amount he had as cash with him. What was the total amount?