Adam can clean a room in 3 hours. If his sister Maria helps, they can clean it in 225 hours. How long will it take Maria to do the job alone?
2 2 = 12 Together time, 2 2 , needs to be converted to fraction 555
Adan:3,Maria:x,Total: 5 Clearlystatetimesforeachandtotal,usingxforMaria 12
1+1= 5 Usingreciprocals,addtheindividualtimesgivestotal 3 x 12
1
1(12x) + 1(12x) = 5(12x) 3 x 12
4x+12=5x −4x −4x 12=x It takes Maria 12 hours
Multiply each term by LCD of 12x
Reduce each fraction
Move variables to one side, subtracting 4x Our solution for x
Answer is - 12 hours
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The temperature of a place often affect food. The option that is not of the Time/Temperature Control for Safety Foods is Processed garlic oil mixtures.
<h3 /><h3>Foods that require time and temperature control </h3>
There are different kinds of foods that require time and temperature control so that it can be safe. This food are known as TCS foods. They includes;
- Milk and Dairy products
- Eggs
- Meat such as beef, pork, and lamb
- Untreated garlic etc.
Garlic often stay long does when process into oil in any temperature. It can be safely store in oil for about 4 months in the freezer. Only garlic in oil mixture kept at room temperature for about two hours may not be useful.
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