André and Teresa ride their mountain bikes along the old logging roads in the Berkshires where cell phone reception is unreliable. Their walkie-talkies have a range of 60 miles. From their starting point, they decide to explore in opposite directions, but they want to stop when they are out of range. When she is biking, Teresa is able to maintain a speed of 6 miles per hour. André bikes at 5 miles per hour. Sometimes Teresa or André will stop and take a rest, swim in the stream, eat lunch, or fix a flat tire. How many hours could Teresa and André be riding on their bikes before they lose touch with each other? 8. GY miles Teresa (6 mph) Ymits André (5 mph) Use the verbal model below to help you write an equation that models the different number of hours that Teresa and André might be on their bikes. a. 60 nonge L Co milu Distance Teresa Distance André Range of Walkie-Talkies Travels Travels %3D (Teresa's Teresa's + bike time- (André's André's bike time. Range of Walkie-Talkies they wana rate rate Otor ut of a on
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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