Question 80 of 90intermediate🔧 ApplyNumerical2 marks

Sam and Tina fill petrol in their bikes. Tina bought 2 l 500 ml of petrol. Sam bought 2 l 800 ml more petrol than Tina. How much petrol did Sam buy?

Correct Answer

Given: Tina bought 2 l 500 ml of petrol. Sam bought 2 l 800 ml more than Tina.

Formula: Sam's petrol = Tina's petrol + 2 l 800 ml

Substitution: Sam's petrol = 2 l 500 ml + 2 l 800 ml

Calculation: Add litres: 2 + 2 = 4 l Add millilitres: 500 + 800 = 1,300 ml = 1 l 300 ml Total = 4 l + 1 l 300 ml = 5 l 300 ml

Answer: Sam bought 5 l 300 ml of petrol.

Exercise: Let Us Compare | Q: 86 | (Page Page 13)
For More Understanding

Explanation

The chapter explains addition of capacities. Tina bought 2 l 500 ml. Sam bought 2 l 800 ml MORE than Tina. Sam's petrol = Tina's petrol + 2 l 800 ml = 2 l 500 ml + 2 l 800 ml. Add l: 2 + 2 = 4 l. Add ml: 500 + 800 = 1,300 ml = 1 l 300 ml. Total = 4 l + 1 l 300 ml = 5 l 300 ml.

Solution Steps

  1. Tina bought 2 l 500 ml of petrol. Sam bought 2 l 800 ml more than Tina.

  2. Sam's petrol = Tina's petrol + 2 l 800 ml

  3. Sam's petrol = 2 l 500 ml + 2 l 800 ml

  4. Add litres: 2 + 2 = 4 l

  5. Add millilitres: 500 + 800 = 1,300 ml = 1 l 300 ml

  6. Total = 4 l + 1 l 300 ml = 5 l 300 ml

  7. Sam bought 5 l 300 ml of petrol.