Savannah works 17 miles from her house. At the end of the day she is going to ride a bicycle home. After riding for 3 hours, she is 14 miles from her house. Write an equation to model this situation (use d for distance in miles and x for hours). Remember that she is going towards her home, so her distance is decreasing. d =
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.
Savannah works 17 miles from her house.
After 3 hours, she is 14 miles from her house
Total of 17 miles , after 3 hours she is 14 miles from house
So she traveled 17-14=3 miles
She ride 3 miles in 3 hours
3 hours = 3 miles
1 hour = 1 mile
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