The cost of trumpets by two vendors are given.
1. Multiply 1,675 by 8 ones.
2. Then multiply 1,675 by 1 tens or 10.
3. Regroup the results as necessary.
4. Add the partial products to get the final product.
∴ 1,675 × 18 = 30,150
Now, we compare the cost of two vendors.
So, Vendor B offers the lower cost.