A restaurant can seat 100 people. It has booths that seat 4 people and tables that seat 6 people. So far 5of the booths are full
1 answer:
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19. State which operation you do first.
a) parentheses
b) parentheses
c) parentheses
d) parentheses
PEMDAS - parentheses, exponents, multiplication, division, addition, subtraction
20. Evaluate each expression in question 19. Show all steps.
a) 4 - 6( -2 )
-6( -2 ) = 12
4 + 12 = 16
Answer: 16
b) (-18) ÷ (-9) - 3
-18 / -9 = 2
2 - 3 = -1
Answer: -1
c) [7-(-3)] ÷ 5
[7-(-3)] = 10
10/5 = 2
Answer: 2
d) 4(-6) ÷ (-2)
4/-6 = -
-2/3 / -2