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Nataly [62]
3 years ago
13

There are 4 boys in a class of 13 students.

Mathematics
2 answers:
Leya [2.2K]3 years ago
8 0

Answer:

(a)=9:4

(b)=9:13

8x5=40

svp [43]3 years ago
3 0

Answer:

A- 9:4

B- 9:13

8*5=40

To find girls, you need to subtract boys (4) from total (13).

You get 9, so that is girls. 9 girls to 4 boys. Total is 13 so 9 girls to 13 people total. For the last one, if you are asking 8*5, that is 40.

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Your final answer: \boxed{\bf{  x *(7x^3 + 16)}}
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