At a concession stand, three hot dogs and two hamburger cost $6.75. Two hot dog and three hamburger cost $7.00. Find the cost of one hot dog and the cost of one hamburger An airplane takes 4 hours to travel a distance of 2400miles with the wind. The return trip takes 5hours against the wind. Find the speed of the plane in still air and the speed of the wind.
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.
At a concession stand, three hot dogs and two hamburger cost $6.75. Two hot dog and three hamburger cost $7.00. Find the cost of one hot dog and the cost of one hamburger
miles with the wind. The return trip takes 5hours against the wind. Find the speed of the plane in still air and the speed of the wind.
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