You are making cookies for a school bake sale. You need to make 72 cookies. The recipe you have makes 12 cookies and calls for 250 grams of flour, 50 grams of nuts and 75 grams of chocolate chips. How much of each ingredient will you need?
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.
- You are making cookies for a school bake sale. You need to make 72 cookies. The recipe you have makes 12 cookies and calls for 250 grams of flour, 50 grams of nuts and 75 grams of chocolate chips. How much of each ingredient will you need?
- You need to shop for your ingredients. The Bulk Barn charges $8.60 for a 2kg bag of flour and $3.99 for a 500g bag of chocolate chips. They have two types of nuts on sale right now: walnuts are $3.10 for a 0.355kg bag and almonds are $2.95 for a 0.325kg bag. Calculate the unit price for each type of nuts. Which type of nuts is the best buy?
- Your mom gave you a coupon that you can use for 20% off your final purchase. If you choose the type of nuts that are the best buy, and purchase the nuts, chocolate chips and flour, what will your final bill be including taxes?
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