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Arlecino [84]
3 years ago
5

The model shows the expression 30 + 12.

Mathematics
2 answers:
stiv31 [10]3 years ago
8 0

Answer:

It is D I got it right

Step-by-step explanation:

otez555 [7]3 years ago
7 0

Answer:

D

Step-by-step explanation:

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⦁ Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 24. How old is each sister?
Vitek1552 [10]

Answer:

Kim is 16 years old and her sister is 8 years old.

Step-by-step explanation:

We can use equations to represent this scenario.

Let Kim's age be 'k' and her sister's age be 's'.

Thus, k=2s (since Kim's age is double of her sister)

and k+s=24 (their ages add to 24 (from question)

Substituting the first equation:

2s+s=24

3s=24

s=8

Therefore, Kim's sister is 8 years old.

Now substitute this value into the second equation:

k+8=24

k=16

Therefore, Kim is 16 years old.

6 0
3 years ago
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Answer:

Sorry need the cred

Step-by-step explanation:

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