Hale likes to take vegemite sandwiches to school for lunch. Last time Hale's mum bought a jar of vegemite, it cost $5.30. Yesterday she bought a new jar, and the price had gone up by 30%. How much did the new jar of vegemite cost?
Question
Hale likes to take vegemite sandwiches to school for lunch. Last time Hale's mum bought a jar of vegemite, it cost $5.30. Yesterday she bought a new jar, and the price had gone up by 30%. How much did the new jar of vegemite cost?
Solution
To solve this problem, we need to find out how much the price increased by and then add this to the original price.
Step 1: Find the amount of the price increase The price of the Vegemite increased by 30%. To find out how much this is, we multiply the original price by 30/100 (or 0.30).
1.59
Step 2: Add the increase to the original price Now we add the amount of the increase to the original price to find out the new price.
1.59 = $6.89
So, the new jar of Vegemite cost $6.89.
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