Use distributive property to solve the problem below:
Maria bought 18 notebooks and 8 pens costing 2 dollars each.How much did Maria pay?  Answers.
A) 30 dollars
B) 40 dollars
C) 50 dollars
D) 60 dollars
E) 52 dollars
Solution   2 × (18 + 8) = 2 × 18 + 2 × 8 = 36 + 16= 
<gadget id="calculator">36 + 16</gadget>
<output>52</output>
52 dollars   Answer 52 dollars
<result>E</result>
Use distributive property to solve the problem below:
Maria bought 18 notebooks and 8 pens costing 2 dollars each.How much did Maria pay?