NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and SolutionsQuestion 81
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and Solutions
Question. 81
In a family, the consumption of wheat is 4 times that of rice. The total consumption of the two cereals is 80 kg. Find the quantities of rice and wheat consumed in the family.
Answer:
16 kg rice and 64 kg wheat
Detailed Answer with Explanation:
Let rice = x, then wheat = 4x.
x + 4x = 80 ⇒ 5x = 80 ⇒ x = 16.
Wheat = 64.