Answer:
Choice B
Step-by-step explanation:
USE PEMDAS
First do the things in the parenthesis. 2 1/3- 3/4 is 19/12
Multiply 19/12 by 1/6. You get 19/72. Add 5/24. You get 34/72. Simplify: 17/36
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2x + 5 = 15 - (-49) x 5
combine like terms
2x + 5 = 320
subtract 5 from each side
2x = 315
divide by 2 on each side
x = 157.5
The first choice is appropriate.
20 children and 10 adults
Equation 1: a + c = 30
Equation 2: 8a + c = 100
6400.00 job a
5200.00 job b 10 percent of 1300.00 is 130.00