Heights of women have a bell-shaped distribution with a mean of 159159 cm and a standard deviation of 55 cm. using chebyshev's
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Given:
John had to pay a combined electric and gas bill $150.
The electric portion of the bill was $90.
To find:
The ratio of money spent on electric to that on gas.
Solution:
Let x be the amount of gas bill.
The electric portion of the bill was $90 and John had to pay a combined electric and gas bill $150. So,
The gas portion of the bill was $60.
The ratio of money spent on electric to that on gas is:
Therefore, the ratio of money spent on electric to that on gas is 3:2.
Here is my work:
Distance is 1.2 miles
:-)
Distance is 1.2 miles
:-)