1. This table shows the number of swimmers in the ocean at a given time. Find the rate of change for each time period. During which period did the number of swimmers increase at the fastest rate? Time 10:30 am 12:30 pm 1:30 pm 3:30 pm 5:30 pm Number of swimmers 41 55 64 70 80 a. swimmers с. Between 12:30 and 1:30: 9 Swimmers Between 10:30 and 12:30: 7 hour hour b. Between 3:30 and 5:30: 5 swimmers d. Between 1:30 and 3:30: 3 Swimmers hour hour
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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