each crate of apples consists of 4layers of apples.each layer contains 5rows which has 6apples each.New type of crate is used now which has 5layers with 5rows and 5apples in each row. percentage reduction in number of crates used for packing..
each crate of apples consists of 4layers of apples.each layer contains 5rows which has 6apples each.New type of crate is used now which has 5layers with 5rows and 5apples in each row. percentage reduction in number of crates used for packing..
Old crate holds 4 * 5 * 6 apples = 120 apples
New crate holds 5 * 5 * 5 apples = 125 apples
If you need to haul 15000 apples, you could do it with 125 old crates or 120 new crates. 120/125 = 0.96, meaning you need 0.96 times as many new crates, which is a 4% reduction.