Respuesta :
Answer is 2.4 kg total detergent powder
Step by step
She buys 2kg of powder plus 20% extra powder
2 x 20%
2 x .20 = .4
Add the .4 to the original 2kg
Total 2.4 kg
Problem solved
Step by step
She buys 2kg of powder plus 20% extra powder
2 x 20%
2 x .20 = .4
Add the .4 to the original 2kg
Total 2.4 kg
Problem solved