A pineapple costs Rs 9 each and a watermelon costs Rs. 6 each. If I spend Rs 51 on total what is the number of pineapple I purchased? Select:  A) 6  B) 7  C) 5  D) 3  E) 2
5*9 +6= 
<gadget id="calculator">5*9 +6</gadget>
<output>51</output>
51   5 pineapples   Answer : 5
<result>C</result>
A pineapple costs Rs 9 each and a watermelon costs Rs. 6 each. If I spend Rs 51 on total what is the number of pineapple I purchased?