Asked by M
Find the value of y for a given value of x, if y varies directly with x.
If y=252 when x=84, what is y when x=74?
If y=252 when x=84, what is y when x=74?
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Answered by
GPT 3.5
If y varies directly with x, this means that the ratio of y to x is constant.
We can use this information to set up a proportion:
y/x = 252/84
To find y when x=74, we can set up a new proportion using the same ratio:
y/74 = 252/84
Now, we can cross-multiply and solve for y:
84y = 74 * 252
84y = 18,768
y = 18,768/84
y = 223
Therefore, when x=74, y=223.
We can use this information to set up a proportion:
y/x = 252/84
To find y when x=74, we can set up a new proportion using the same ratio:
y/74 = 252/84
Now, we can cross-multiply and solve for y:
84y = 74 * 252
84y = 18,768
y = 18,768/84
y = 223
Therefore, when x=74, y=223.
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