Question

mr yadav bought 1/2 kg of sweet . after his children had eaten some , there was 1/10 kg left .how much had they eaten?​

Answer 1

Answer: They had eaten 2/5 kg

Step-by-step explanation:

1/2 kg of sweet is 0.5 kg. 1/10 kg is 0.1 kg.

Amount eaten = Total amount - Amount left  = 0.5 - 0.1

= 0.4 kg

= 2/5 kg

Answer 2

Answer:

Step-by-step explanation:

Let the amount they are be X

According to the statement,

1/2-x = 1/10

LCM is 10

5-10x = 1

5-1 =10x

4/10=X

X=0.4