A = bh/2
A = 33 x h / 2
528 = 33h / 2
33h = 1056
h = 32cm
N=5
Since 6n and 3n have the same variables you need to subtract them. So 6n-3n=3n. Now you have 3n=15. To get n by it’s self you need to divide 3 by 15. 3 divided by 15 is 5. This means that n=5. Hope this helps!!
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Step-by-step explanation:
in two months
Decrease of 25%
so you need to do
25%*12 is 3 minutes
Find the difference from 12 minutes
12-3 is 9 minutes.
therefore, his mile time is 9 minutes in two months
