A teacher grades 27 tests in 3 hours How many tests can the teacher grade in 8 hours if he works at the same rate
2 answers:
Answer:
72 tests
Step-by-step explanation:
lets put this in a ratio
27 (tests) : 3 (hours)
now we simplify by dividing each side by 3
9:1
Now we must find 8 hours so multiply each side by 8
72:8
the teacher will grade 72 tests in 8 hours
Answer:
72 tests
Step-by-step explanation:
Lets find how many are graded per hour:
27 ÷ 3 = 9
9 tests per hour
9 · 8 = 72
72 tests
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