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How many combinations can be made from 10 different items?
There is only one combination of ten items out of ten. For this question to have a non-trivial answer, either the ten items need to be selected from a larger number of items or a smaller number of items need to be selected from the ten items.
How many ways can four items be rearranged?
1 row of 4 items 2 rows of 2 items 4 rows of 1 item
Assuming a case holds 12 items how many cases would you need to transport 159 items?
You'd need 14 cases, one of which would not be full.
IF a case holds 12 items how many cases would you need to transport 159 items?
14 cases. The 14th case would not be full.
How do you determine a unit rate of an item?
It depends on what sort of items you are talking about. For example, if 10 litres of petrol cost $20.00, then you divide $20 ÷ 10 = $2. This is the unit price. Another example, a car goes 180km in 2 hours. This equates to a unit rate of 180÷2=90km. To provide more help, we would need to know more details about which items you are thinking about.
