c) Use the two equations to find the values for f and l. d) How much does he pay if he decides to split the order evenly? e) Which combination of fur and leather coats would cost the least?
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.
Sam is the buyer for a large department store. He must order 40 coats, some fake fur, and some
leather. He is unsure of the expected sales.
a) He can buy 25 fur coats and the rest leather for $9,300. Write an equation for this option.
Note: use f for the cost of the fur coats and l for the costs of the leather coats
b) He can buy 10 fur coats and the rest leather for $12,600. Write an equation for this
option.
c) Use the two equations to find the values for f and l.
d) How much does he pay if he decides to split the order evenly?
e) Which combination of fur and leather coats would cost the least? The most? What would
be the cost both options?
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