Answer:
Han gets 15$ every 300 envelopes -> Han gets $1 every 20 envelopes
Claire gets $40 every 400 envelopes -> Claire gets $1 every 10 envelopes
A. Claire would make $150 after stuffing 1500 envelopes and make $75 more than Han (Twice the amount)
B. 2:1 Claire being 2 and Han being 1
C. Claire gets paid more in their job. Han does 20 envelopes and gets 1 dollar and Claire does 20 envelopes but gets 2 dollars.
Answer:
D
Step-by-step explanation:
the best answer may be D because 9/3 =3 3×5=15
Its is true that C ⊆ D means Every element of C is present in D
According to he question,
Let C = {n ∈ Z | n = 6r – 5 for some integer r}
D = {m ∈ Z | m = 3s + 1 for some integer s}
We have to prove : C ⊆ D
Proof : Let n ∈ C
Then there exists an integer r such that:
n = 6r - 5
Since -5 = -6 + 1
=> n = 6r - 6 + 1
Using distributive property,
=> n = 3(2r - 2) +1
Since , 2 and r are the integers , their product 2r is also an integer and the difference 2r - 2 is also an integer then
Let s = 2r - 2
Then, m = 3r + 1 with r some integer and thus m ∈ D
Since , every element of C is also an element of D
Hence , C ⊆ D proved !
Similarly, you have to prove D ⊆ C
To know more about integers here
brainly.com/question/15276410
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