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Ratios, Rates, and Percents
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On Ms. Smith's last math test, 80% of her 25 students earned an 82% or better. How many of Ms. Smith's students earned an 82% or
better on the last math test?
A. 19
B. 22
C. 20
D. 25
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δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

answer: 5

step-by-step explanation:

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94