9. Katrina got 42 correct
answer which was 84% of the
total test. How many items was
the test? *
O A. 30 items
O B. 40 items
O C. 50 items
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9. Katrina got 42 correct
answer which was 84% of the
total test. How many items was
the test? *
O A. 30 items
O B. 40 items
O C. 50 items
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Verified answer
Answer:
C.
Step-by-step explanation:
dahil hendi naman pwedeng naka 42 correct answers siya sa 30 & 40? haha
Answer:
50
Step-by-step explanation:
let x be the number of items in the quiz
42 = 84% x
x = 42/84%
x = 42 / (42/50)
x = 42 (50/42)
x = 50