Maths Case study (4 Marks)

2. A carton contains both fragrant and non-fragrant liquid soap bottles.
Write an equation representing the number of fragrant and non-fragrant bottles in the carton.

Sodium silicate is one of the constituents in liquid soap. The graph shows the amount of sodium
silicate in liquid soap.

5. How much sodium silicate (ml) is used for making 10 L of soap?
   A. 100
   B. 110
   C. 1000
   D. 10000
6. Write an equation to show the relation between quantities of sodium silicate and liquid soap. 

1. A soap manufacturer makes fragrant and non-fragrant liquid soaps. The liquid soaps are illed in plastic bottles and packed in equal size cartons for transportation. Each carton contains 50 bottles. The mass of a full bottle of soap is 220 gm and that of a half-illed bottle is 120 gm. What will be the mass (gm) of the empty bottle?
  A. 10
  B. 20
  C. 100
  D. 110

4. The soap bottles are available in small and large sizes.
A carton with 10 small and 40 large bottles weighs 10.8 kg. What is the mass of the carton with 50 large bottles?

3. A carton is checked randomly. Which of the following cannot be the number of fragrant and nonfragrant liquid bottles in the carton?
   A. (5, 45)
   B. (15, 35)
   C. (20, 30)
   D. (30, 40)