Find the ratio of the prize of pencil to that of ball pen , if pencils cost 25$ per score and ball pen cost 12$ per 10 Last time the question was wrong please help me in this

Step-by-step explanation:

ratio of pencil by ball pen

pencil=25 per score

ball pen =12 per 10

10 pens 12rs

12÷10=6/5

20 pencils 25rs

25÷20=5/4

ratio=6/5÷5/4

6/5×4/5

24/25

1:5

Step-by-step explanation:

If a pack of 10 ball pens cost $12, then each ball pen must cost 12/10 = $1.20. The ratio of $0.25:$1.20 simplifies down to 1:5 (ans).

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

the answer would be a 24

step-by-step explanation:

c=2πr=2·π·3=24