In a library the ratio of English books to Math books, is the same as the ratio of Math books to Science book. If there are 1200 books on English and 1800 books on Math, find the number of Science books.
Answers
Answered by
3
Answer:
No. of science books =450
No. of hindi books =300
Ratio of science books to hindi books =450:300
=
330
450
=3:2
Let no. of Mathematics books =x
Ratio of Maths to Science books =x:450=3:2
=
450
x
=
2
3
[Cross multiply]
=2x=3×450
∴x=
2
3×450
x=675
∴ No. of Maths books =x=675
Similar questions