Answer:
There are 21 ways to choose the first person, 20 ways to choose the second, 19 ways for the third and 18 ways for the fourth so the answer is 21 * 20 * 19 * 18 = 143640.
Answer:
5,308
Step-by-step explanation:
First step is to add all the expenses of Sam bought. The sum is equal to 8 + 5 + 15 equal to $28. With the addition of the tax, the tax amounts to a total of $1.82. This means the tax, imposed is $1.82/$28 *100% equal to 6.5 percent