3n = 1/81; divide both sides by 3 to isolate n:
3n/3 = 1/81 divided by 3. Remember that when you divide, you use the reciprocal and multiply instead!!
n = 1/81(1/3) = 1/243. Now plug 1/243 back in for n, and 3/243 is equivalent to 1/81
Answer: replace 8 for x now you have
30-3/4(8) =
30 -6 = 24
his profit was $24
Step-by-step explanation:
Answer:
Step-by-step explanation:
Additive inverse:
-3=3
14=-14
-28=28
-1/5=1/5
Multiplicative Inverse:
2/3=3/2
6/18=18/6
5=1/5
11=1/11
7.6x = 64
x = 64/7.6
x =
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8.4210526316
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So, 3.05 is NOT the solution
after 4 days 88 boats will have passes under the bridge