A bag contains 70 black balls and 60 white balls. One ball is drawn at random. What is the probability that the ball drawn is white? Choices:  A) 2/5  B) 5/7  C) 1/2  D) 1/4  E) 6/13
Total number of balls = 70+60= 
<gadget id="calculator">70+60</gadget>
<output>130</output>
130   no. of white balls= 60   probability of drawing a white ball = 60/130 = 6/13   Answer is 6/13
<result>E</result>
A bag contains 70 black balls and 60 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?