Find the ratio of the price of a pencil to that of a ball pen if pencil cost 96 rupees per score and ball pen cost 50.40 rupees per dozen .
Answers
Answer:
Solution
Given : Rate of pencil is ₹16 per score
Rate of pens is 8.40 per dozen
To Find : Ratio of the prices
Solution :
Score is used for 20 items
1 Score = 20 pencils
Dozen is used for 12 items
1 Dozen = 20 ball pens
Now ,
Rate of one pencil = x
20 pencil = ₹ 16
\bold{x \: = \: \dfrac{16}{20}}x=
20
16
\bold{x \: = \: \dfrac{8}{10}}x=
10
8
\bold{x \: = \: Rs\: 0.8}x=Rs0.8
Rate of one ball pen
12 ball pens = ₹ 8.40
\bold{x \: = \: \dfrac{8.4}{12}}x=
12
8.4
\bold{x \: = \: \dfrac{84}{120}}x=
120
84
\bold{x \: = \: \dfrac{7}{10}}x=
10
7
\bold{x \: = \: Rs\: 0.7 }x=Rs0.7
Ratio of pencil and ball pen = \bold{\dfrac{0.8}{0.7}}
0.7
0.8
Answer
\bold{\boxed{\boxed{Ratio\: = \: \dfrac{8}{7} \: or \: 8\colon7}}}
Ratio=
7
8
or8:7
Answer:
8:7
Step-by-step explanation:
Cost of 1 pencil = 96/20
= ₹4.8
Cost of 1 ball pen = 50.40/12
= ₹4.2
Cost of pencil/cost of ball pen = 4.8/4.2
= 8/7
The ratio is 8:7
Hope it helps
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