Question 13 Marks

The school canteen charges $₹20$ for lunch and $₹4$ for milk for each day. How much money do you spend in $5$ days on these things?

Answer

The required results can be found by the following two methods.
Method $1$: Find the amount for lunch for $5$ days.
Find the amount for milk for $5$ days.
Then add i.e.
Cost of lunch $= 5 \times ₹20 = ₹100$
and Cost of milk $= 5 \times ₹4 = ₹20$
Therefore, Total cost $= ₹(100 + 20) = ₹120$
Method 2: Find the total amount for one day.
Then multiply it by $5$ i.e.
Cost of (lunch + milk) for one day $= ₹(20 + 4)$
Therefore, Cost for $5$ days $= 5 \times ₹(20 + 4) = ₹(5 \times 24)$
$= ₹120$

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