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Mathematics 13 Online
OpenStudy (anonymous):

Which placement of grouping symbols in the expression gives it a value of 6? 7 • 5 – 4 • 5 + 9 A. 7 • (5 – 4) • (5 + 9) B. 7 • [(5 – 4) • 5] + 9 C. 7 • [5 – (4 • 5) + 9] D. (7 • 5) – [(4 • 5) + 9]

OpenStudy (anonymous):

D

OpenStudy (anonymous):

can you plz explain

OpenStudy (texaschic101):

thats right....it is D (7 * 5) - [ (4 * 5) + 9] 35 - [ 20 + 9] 35 - 29 = 6

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