Answer:
3 question papers
Step-by-step explanation:
If the teacher takes 15 minutes to mark 1 question paper. Then they will probably take 30 minutes to grade 2 question paper. Because 15 minutes+15 minutes=30 minutes. Then if you and another 15 minutes which will be 40 minutes because 15 minutes+15 minutes+15 minutes=40 minutes.
Hence, the teacher will mark 3 question papers in 40 minutes
Answer:
15km
Step-by-step explanation:
7km + 8km = 15km.
Answer:
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The answer is -9 because you have to multiply the two numbers.
x + 5/2 = 2(x + 3)
D. -7/3
