Answer:

Step-by-step explanation:
Swap the fraction,

or around 7.142...
Answer:
look at the angles. they all ad up to 180 degrees devide that by 9, and there you go!
Step-by-step explanation:
Answer:
111 minutes
Step-by-step explanation:
step 1
Find out how long are the six commercial
Multiply the number of commercials by 90 seconds
so

Convert to minutes
Remember that


step 2
Subtract the duration of six commercials from the duration of the program
Remember that

so

therefore

The answer is 45
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