The ratio of fiction to non-fiction books in Mr. Siwak’s classroom is 5:2. The ratio in Mr. L’s classroom is 7:3 . There are 140 books in each of Mr. Siwak’s and Mr. L’s classrooms. How many non-fictions books are there in Mr. Siwak’s class?

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

pls mark as brainliest

5

step-by-step explanation:

below

step-by-step explanation:

1. 5/1

2. 10/16

3. 90/2

4. 1/20

5. 3/1

6. 14/24

7. 1/4

8. 18/10