Two friends take a 3000-mile cross-country trip together, but they drive their own cars. Car A has a 12-gallon gas tank and gets 40 miles per gallon, while car B has a 20-gallon gas tank and gets 30 miles per gallon (Assume both drivers pay $2.55 per gallon of gas.) a) What is the cost of one tank of gas for each car ? b) How many tanks of gas does each car use for the trip? c) How much does each driver pay for gas for the trip?
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.
Two friends take a 3000-mile cross-country trip together, but they drive their own cars. Car A has a 12-gallon gas tank and gets 40 miles per gallon, while car B has a 20-gallon gas tank and gets 30 miles per gallon (Assume both drivers pay $2.55 per gallon of gas.) a) What is the cost of one tank of gas for each car ? b) How many tanks of gas does each car use for the trip? c) How much does each driver pay for gas for the trip?
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