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krojas015
24.03.2020 •
Mathematics
A class has a ratio of boys to girls 3:4.
For each statement below decide whether it is: Always true (A)
Possible (P)
False (F)
a) The fraction of boys in the class is 3/4
b) The fraction of girls in the class is 4/7
c) The number of boys in the class is 6
d) The number of pupils in the class is 12
Solved
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Ответ:
a)F
b)A
c)F
d)F
Step-by-step explanation:
a)3+4=7 which is the total number of pupils in class
So, the fraction should be 3/7✅not 3/4❌
b) The girls in the class are 4 and the total number of pupils in class are 7. So, the fraction is correct✅.
c) The number of boys in class is 3✅ which is given in the ratio. Not 6❌
d) If you add the both numbers in the ratio, you will get the total number of pupils which is 7✅not 12❌
Hope this will help ya!
Ответ:
-13,-8,0,9,17,24
Step-by-step explanation:
Cus negatives are first