Plain doughnuts from a particular bakery have an average mass of 32.6 g, whereas jam-filleddoughnuts from the same bakery have an average mass of 40.0 g. (a) Determine the mass of a dozen plain doughnuts and the mass of a dozenjam-filled doughnuts. (b) Determine the number of doughnuts in a kilogram of plain and the number in a kilogram of jam-filled. (c) Determinethe mass of plain doughnuts that contains the same number of doughnuts as a kilogram of jam-filled. (d) Determine the total mass of a dozendoughnuts consisting of three times as many plain as jam-filled.
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.
Plain doughnuts from a particular bakery have an average mass of 32.6 g, whereas jam-filled
doughnuts from the same bakery have an average mass of 40.0 g. (a) Determine the mass of a dozen plain doughnuts and the mass of a dozen
jam-filled doughnuts. (b) Determine the number of doughnuts in a kilogram of plain and the number in a kilogram of jam-filled. (c) Determine
the mass of plain doughnuts that contains the same number of doughnuts as a kilogram of jam-filled. (d) Determine the total mass of a dozen
doughnuts consisting of three times as many plain as jam-filled.
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