On a construction site, the Laker cement factory provided 500 bags of cement sold to Mr. Zander at $10 per bag. Mr. Zander also received twenty lorries of construction sand, each carrying 10 tons of sand, sold at $40 per ton. How much money did Mr. Zander pay for these construction materials? Let's think step by step and output the final answer after "####".
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The total cost for the sand is 500*10 = $<<500*10=5000>>5000
Since each lorry was carrying 10 tons of sand, the twenty lorries carried 20*10 = <<20*10=200>>200 tons.
At $40 per ton, Mr. Zander paid 200*$40 = $<<200*40=8000>>8000 for the sand that was delivered to his construction site.
Altogether, Mr. Zander paid $8000+$5000 = $<<8000+5000=13000>>13000 for the delivered construction materials.
#### 13000
On a construction site, the Laker cement factory provided 500 bags of cement sold to Mr. Zander at $10 per bag. Mr. Zander also received twenty lorries of construction sand, each carrying 10 tons of sand, sold at $40 per ton. How much money did Mr. Zander pay for these construction materials?
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