An employment agency specializing in temporary construction help pays heavy equipment operators $122 per day and general laborers $94 per day. If thirty-four people were hired and the payroll was $3672, how many heavy equipment operators were employed? How many laborers? The number of heavy equipment operators hired was____ The number of general laborers hired was
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
An employment agency specializing in temporary construction help pays heavy equipment operators $122 per day and general laborers $94 per day. If thirty-four people were hired and the payroll was $3672, how many heavy equipment operators were employed? How many laborers?
The number of heavy equipment operators hired was____
The number of general laborers hired was____
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