3 years ago

5) Answer the following questions :

Mathematics

2 answers:

uysha [10]3 years ago

6 0

Answer:

a)9:7 b) 9:16 c) 7:16

Step-by-step explanation:

the no of girls (320-180)=140

a) ratio of no of boys and girls=180/140=9/7=9:7

b)ratio of boys and total pupil=180/320=9/16=9:16

c) ratio of the girls and pupils=140/320=7/16=7:16

Evgesh-ka [11]3 years ago

3 0

Answer:

a) 9:7 (9 being the boys,7 being the girls)

b)9:16 (9 being boys, 16 being the total pupils)

c)7:16 (7 being girls, 16 being the total pupils)

Step-by-step explanation:

a) No. of girls= 320-180

=140

Boys: Girls

180 : 140 [ ÷ 20]

9 : 7

b) Boys: Pupils

180 : 320 [ ÷ 20]

9 : 16

c). Girls: Pupils

140 : 320 [ ÷ 20]

7 : 16

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