Goofus and Gallant are at the popular submarine sandwich chain, Sub Direction. Sub Direction has twenty- seven different sandwich toppings including meats, cheeses, and sauces, and you can have as many of each as you like on your sandwich. If you put more than five toppings on your sandwich, you have to pay extra, so Goofus and Gallant just want the five. a) Gallant (rightly) believes that sauces should go at the top of the sandwich, followed by leafy greens, then cheeses, then meats. How many ways can Gallant construct his five-topping sandwich? b) Goofus is just going to inhale the whole sandwich anyway, so who cares what order the toppings are in, he says. How many sandwiches can Goofus make?
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.
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