Last summer,at a camp,the ratio of the number of boy campers to girl campers is 9:6.If there is 225 campers,how many boy campers
1 answer:
Answer: There were 135 boy campers and 90 girl campers.
Step-by-step explanation:
Let be "b" the number of boys campers and "g" the number of girl campers.
Given the following ratio of the number of boy campers to girl campers:
We know that for every 9 boys campers there were 6 girl camper; if we add them we get this sum:
Knowing that there were a total of 225 campers, we can set up the following proportion in order to find the value of "b". Then, solving for "b" we get:
Finally, we get that the number of girl campers was:
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"<span>What is the general process for solving an equation with one variable?"...
Typically when solving an equation with one variable, your objective is to isolate the variable on one side of the equation. This can be done adding/subtracting number to cancel them out on one side. You can also multiply/divide coefficients in order to isolate a variable.
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<span>Add -4 to both sides to isolate the variable.
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Simplify.
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Divide both sides by 2 to isolate the variable on one side.
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-Benjamin