Robert spent $30 in buying raw materials, $105 in buying machinery and 10% of the total amount he had as cash with him. What was the total amount?	Choose the correct choice from the following answers
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 = 30+105   90% of x = 135   90x/100 = 135   x = $150   $150nswer is $150
<result>A</result>
Robert spent $30 in buying raw materials, $105 in buying machinery and 10% of the total amount he had as cash with him. What was the total amount?