Use distributive property to solve the problem below:
Maria bought 10 notebooks and 5 pens costing 2 dollars each.How much did Maria pay?	Choose the correct choice from the following choices
A) 30 dollars
B) 40 dollars
C) 50 dollars
D) 60 dollars
E) 70 dollars
Solution   2 × (10 + 5) = 2 × 10 + 2 × 5 = 20 + 10= 
<gadget id="calculator">20 + 10</gadget>
<output>30</output>
30 dollars   30 dollarsnswer 30 dollars
<result>A</result>
Use distributive property to solve the problem below:
Maria bought 10 notebooks and 5 pens costing 2 dollars each.How much did Maria pay?