Question

8. Divide the sum of the fraction 3/2 and 5/7 by their difference.
9. In a class there are 45 students. If 3/5 of the students are boys find the number of boys in the class.
10. A cloth merchant sells clothes at the rate of 23 3/5 per metre. What is the cost of 6 3/7m of clo
Part-2 Rational numbers​

Answer 1

Step-by-step explanation:

8 .

Sum of fraction 3/2 and 5/7 = 31/14

Difference of fraction 3/2 & 5/7 = 11/14

Now their division

31/14 ÷ 11/14

31/14 × 14/11

31 /11 ( Answer)

9.

Total Students = 45

Boys = 3/5

Number of boys = 3/5×45

= 45 (Answer)

10.