Xiaoguang and his sister go to the vegetable market to buy food. My sister asked Xiaoguang, ""

Cucumber is three-seventh of the number of radish baskets delivered, and 28 baskets of radish are known to have been delivered.

Then cucumber =28X(3/7)= 12 (basket)

The number of cucumbers is two-fifths that of eggplants.

Then eggplant =12/(2/5) =12x (5/2) = 30 (basket)