The mass of a t-shirt is approximately 150 grams. What is the approximate mass of 20 t-shirts in kilograms?

A) 3 kilograms
B) 3 milligrams
C) 30 kilograms
D) 300 centigrams

Step-by-step explanation:

Cost of  a t-shirt = 150 grams

Cost of  20 t-shirts = 150*20

                              = 3000 gram   { 1000 g = 1 Kg}

                              = 3000/1000 = 3 kilogram

-6 is the correct option from the above given options