Lyle bought used CDs at a store where all the CDs cost either $8 or $12. If Lyle bought an equal number of CDs at each price, and he spent a total of $200, what was the total number of CDs that Lyle bought?_____
我的答案:
Lyle bought used CDs at a store where all the CDs cost either $8 or $12. If Lyle bought an equal number of CDs at each price, and he spent a total of $200, what was the total number of CDs that Lyle bought?_____