问一道英语题,帮忙说一下意思a fruit seller buy 8 crates of oranges at $18
问一道英语题,帮忙说一下意思
a fruit seller buy 8 crates of oranges at $18 per crate and 10 crates of apples at $20 per crate.there are 72 oanges in each crate of oranges and 100 apples in each crate of apples.if he sells the oranges at 3 for a dollar and apples at 4 for a dollar,find his profit.