Question

please answer these questions​

Answer 1

Answer:

Sure, why not bro

4-(b) 4

5-(a) 18

Answer 2

Answer:

4. k=36.

5. ₹18

Step-by-step explanation:

4. x= k 1/y

; 12=k/3

;. k= 12×3= 36

5. cost of 8 book is ₹12

then,

rate= ₹12/8

so,

cost of 12 book is ₹ 12/8 × 12= ₹18