The sales tax charged on a $40 dress was $3.20.what is the sales tax rate charged on the dress?
1 answer:
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Answer:
a)
b)
Step-by-step explanation:
From the question we are told that:
Number Teachers
Number Student
Number in committee
a) Generally the equation for exactly 3 students on the committee is mathematically given by
b) Generally the equation for at least one teacher and at least one student on the committee is mathematically given by
Total Ways-(no of ways of selection no teacher or student)
Where total Ways
Therefore
Answer:
D,B,C,A
Step-by-step explanation:
Look at the picture
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