Evaluate. 21 + } + (-)) - Enter your answer as a mixed number in simplest form in the box.
1 answer:
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Answer:
x = -9/2
Step-by-step explanation:
1. Divide 9 by -1/3:
÷
=
·
= -27
2. Divide both sides by 2:
2(x - 9) = -27
(x - 9) =
3. Add 9 to both sides:
x =
(or 4.5 if you need it in decimal form)
hope this helps!
Answer:
18.18% of employees rode the bus to work last year
Step-by-step explanation:
This question can be solved using a rule of three.
Last year, a proportion of x employees riding the bus was 100% = 1.
This year, 20% = 0.2 ride the bus, which is 100 + 10 = 110% = 1.1 of last year.
So
0.2 - 1.1
x - 1
0.1818*100 = 18.18%
18.18% of employees rode the bus to work last year