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题库 / Prep2007E1-PS-1
A grocery store purchased crates of 40 oranges each for $5.00 per crate and then sold each orange for $0.20. What was the store's gross profit on each crate of oranges?
$3.00
$6.00
$8.00
$10.00
$13.00
杂货铺进货一箱40个橙子为5元，零售每个橙子0.2元，问一箱橙子的利润是？
利润=收入-成本=0.2*40-5=3元
不用算单个的价格。。。自己写麻烦了
0.2X40-5=3