A math teacher graded 45 problems in 3/5 of an hour. At that rate, how many problems can she grade in one hour
2 answers:
Answer: 75 problems
Step-by-step explanation:
3/5 of an hour is the same as 3/5 x one hour.
one hour is the same as 60 minutes , this means that 3/5 of an hour is the same as :
3/5 x 60 = 36 minutes
This means that , the teacher graded 45 problems in 36 minutes. then in 1 minutes ;
The teacher will grade 45/36 problems
so in 60 minutes ;
the teacher will grade 45/36 x 60 = 75 problems
Answer:
75
Step-by-step explanation:
45*1/3=15
15*5=75
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Answer:
x = -19
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
31-12=19
49-19=30
Good Luck?!
0.
It is impossible for 151 to be selected, as it is outside the range of numbers (1 to 100) that can be selected. Therefore the probability is 0.
I got 20.89, and nearest to the whole number would be 20.
Not sure but prob d. because the rest r short or don’t correlate
