Question

1. which has the lower cost per item? 10 items for $20 7 items for $15 they are the same.

Explanation:

Step1: Calculate cost per item for first option

Cost per item = $\frac{20}{10}=2$

Step2: Calculate cost per item for second option

Cost per item = $\frac{15}{7}\approx2.14$

Step3: Compare the two costs

Since $2<2.14$, 10 items for $20$ has lower cost per item.

Answer:

10 items for $20$