Question

Amritha had 3 3/4 kg of rice in the kitchen.She cooked 1/5 of the total rice for lunch.2/5 of the remaining rice for dinner,then find
1.how much rice is left with her by the end of the day....
2.how much rice did each person get foe dinner if there are 2 members in the family...
Please answer....​

Answer 1

Answer:

1. 225/100 -72/100 = 153/100 = 1.53 kg is left by her after the end of the day.

2. 18/5 ÷ 2 = 3.6 ÷ 2 = 1.8 kg per member of family if the no. of family members is 2.

Step-by-step explanation:

At starting she have rice - 3 × 3/4 = 9/4

She cook rice for lunch - 1/5 of 9/4

1/5 × 9/4 = 9/20

Remaining rice after lunch - 9/4 – 9/20

LCM of 20 and 4 = 20

9/4 × 5/5 - 9/20

45/20 - 9/20

36/20 = 9/5

She cook rice for dinner - 2/5 of 9/5

2/5 × 9/5 = 18/25

1. Rice left by her after end of day = 9/4 - 18/25

LCM of 4 and 25 = 100

9/4 × 25/25 = 225/100

18/25 × 4/4 = 72/100

225/100 -72/100 = 153/100 = 1.53 kg is left by her after the end of the day.

2. 18/5 ÷ 2 = 3.6 ÷ 2 = 1.8 kg per member of family if the no. of family members is 2.

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