Einar is planning a vacation trip from his native Iceland, and wants to understand the prices in different countries. He finds on a website that 10 Icelandic Krona are worth 107.4 South Korean Won and that 10 Japanese Yen are worth 99.78 Won. How many Krona, to the nearest whole number, will he need to set aside to purchase a gift that costs 500 Yen?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
 alt="Einar is planning a vacation trip from his native Iceland, and wants to
understand the prices in different countries. He finds on a website that
10 Icelandic Krona are worth 107.4 South Korean Won and that
10 Japanese Yen are worth 99.78 Won. How many Krona, to the
nearest whole number, will he need to set aside to purchase a gift that
costs 500 Yen?
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41
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