6. The ratio of Maths and Science books ina school library is 4:5. If

1.	6. The ratio of Maths and Science books ina school library is 4:5. If the number ofScience books is 75, find the number ofMaths books.
Answer» EXPLANATION: its a question of INVERSE variation so we have to make a table to solve it...just like the sum which i have solved. i have made one table or a box. therefore, the value of x is 60. so 5X will be 5×60= 300 4x will be 4× 60= 240

6. The ratio of Maths and Science books ina school library is 4:5. If the number ofScience books is 75, find the number ofMaths books.

Answer»

its a question of INVERSE variation so we have to make a table to solve it...just like the sum which i have solved. i have made one table or a box.

therefore, the value of x is 60.

so 5X will be 5×60= 300

4x will be 4× 60= 240