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
Answer:
-2
Step-by-step explanation:
Answer:
x=sqrt{22}
Step-by-step explanation:
Answer:
question one is 2,251.02
question 2 is 579.58
Step-by-step explanation:
Answer:
-0.2
Step-by-step explanation: