The cost of each crate of milk is \(\$40\) and each crate of eggs is \(\$25.\) If the seller sells at least one crate of each type every week and the number of crates sold is an integer find out how many crates of eggs did he sell last week?

1. Last week the seller sold eggs and milk worth \(\$300.\)

2. The number of crates of eggs sold is one more than the number of crates of milk sold.

Answer: A

Source: e-GMAT