Neil is building a patio with interlocking stone in the shape shown. The preparation work is complete. He will do the final levelling work and lay the stones himself. He must install a levelling bed of screenings 6 inches deep, then lay the stones on this bed. Screenings costs $30 per cubic yard, tax included. The stones come on skids, each skid having enough stones to cover 74 square feet. The cost of a skid is $165, tax and delivery included. Calculate the cost of the patio. 8 feet 12 feet 15 feet 40 feet
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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