A rate that describes how much smaller or larger the scale drawing is than the real object
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Answer:
Hey there!
We can't compare two measurements without converting them to the same units. Thus, we use proportions to make all the values into the same unit.
, which converts to centimetres to millimetres.
12.5 cm=125 mm.
Now, we can compare the values of 125 mm and 140 mm.
Clearly, we see that 140 mm is greater than 125 mm.
Let me know if this helps :)
we know that
The company charges cents per kilowatt-hour of electricity
Step
Find the cost for the light bulb
a) in one day
Cost=$
b) In a year
Cost=$
Step
Find the cost for the led bulb
a) in one day
Cost=$
b) In a year
Cost=$
Step
Find the difference in cost
therefore
the answer is