Use distributive property to solve the problem below:
Maria bought 10 notebooks and 5 pens costing 3 dollars each.How much did Maria pay?
Answers
A) 30 dollars B) 40 dollars C) 45 dollars D) 60 dollars E) 70 dollars
Solution   3 × (10 + 5) = 3 × 10 + 3 × 5 = 30 + 15= 
<gadget id="calculator">30 + 15</gadget>
<output>45</output>
45 dollars   Answer 45 dollars
<result>C</result>
Use distributive property to solve the problem below:
Maria bought 10 notebooks and 5 pens costing 3 dollars each.How much did Maria pay?