A typical gold bar has dimensions of being 82 mm long, 45 mm wide and 16 mm deep. The current cost of gold is $1,368 per ounce (mass). What is the total surface area, in square inches, of the gold bar? CHEM 59040 mm 62 mmm x 45 mm x1b mm ers inch N 59040Mm x X 2.54 5. You are traveling to New Zealand over interterm and notice the estimated gasoline consumption of the car you are renting is 17.6 kilometers per liter of gasoline (petrol in NZ). What would this equate to in miles per gallon, which is the normal ratio used in the US? SIon 41.4 mies9llon 1 mile 3.785 19911on 17. 6 Rm 6. In your chemistry class, 13 beakers were counted in a student's drawer. If 20. % of all the items in the drawer are beakers, what is the total number of items in the student's 201.Of X 13 drawer? 30 20 X 13 X 52 ite 20x=1040 2 n 7. You have decided to go on a road trip with your friends to Joshua Tree National Park (the desert!) in September. There is a total of 5 of you going and you are planning on staying for 3 full days. You are unsure if your car can handle the weight of the water you want to bring. After accounting for the mass of every person in the car, you can hold up to 125 pounds of water. You identify you will need 1.85 gallons of water for each person for each day you are staying. What mass, in pounds, of water would this require you to bring? Use the density of water of 1.00 ml 11

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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.