Answer:
23
Step-by-step explanation:
If cindy is 23 and marcus is 20 years older, 23+20= 43. Cindy is 23 and Marcus is 43, their ages added together is 66.
2020 + <em>N</em> ≡ 0 (mod 11)
<em>N</em> ≡ -2020 (mod 11)
Notice that 2020 = 183 • 11 + 7, so
<em>N</em> ≡ -(183 • 11 + 7) (mod 11)
<em>N</em> ≡ -7 (mod 11)
<em>N</em> ≡ 4 (mod 11)
Answer:
8.3%
Step-by-step explanation:
To solve this question, we will use permutation.
Permutation helps us calculate the number of ways to order items. Basically we multiply the number of elements that can be placed first, then for second place until there is no empty place.
In this case, the probability of selecting Jim first is 1 over the total number of students that is 4.
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Answer:26x will be your answer
