Your answer should be <span>y = 1,500(0.7)^x and y = 1,500 - 300x (c)
hope this helped :) good day
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The common denominator of both fractions is 60.. You can convert 11/12 into 55/60 by multiplying both the numerator and denominator by 5, and you can also convert 7/20 into 21/60 by multiplying both the numerator and denominator by 3. 55/60-21/60= 34/60, simplified to 17/30.
Hope it helped!
Hello, please consider the following.
We know the following, right ?

So, here, it gives.

Do not hesitate if you need further explanation.