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ayoismeisalex
28.01.2021 •
Mathematics
The first known motion picture was filmed in 1888 and lasted
for only 2.11 seconds. Today, we watch movies that last an
average of about two hours. What is the percent of change in
the times from 1888 to today? Round your answer to the
nearest whole percent if necessary.
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Ответ:
45
Step-by-step explanation:
x,30,24,16
since,they are in proportion
x/30=24/16
16x=720
x=720÷16
x=45
therefore the value of x is 45.