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Usimov [2.4K]
4 years ago
10

A proofreader reads 200 pages in 8 hours. How many pages does the proofreader read in 30 minuets

Mathematics
1 answer:
umka21 [38]4 years ago
6 0
If 200/8=25 per hour, then i divided that by 2 to get 12.5 for 30 minutes.
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Kindly help me please tq​
scZoUnD [109]

Answer:

C

Step-by-step explanation:

\frac{4}{5} × 45 = 4 × 9 = 36 ← Marlina's books

\frac{2}{3} × 45 = 2 × 15 = 30 ← Daniel's books

36 - 30 = 6

Marlina has 6 more novels than Daniel → C

7 0
3 years ago
working together two mathletes solve 32 math problems in a certain amount of time how many problems will 3 mathletes solve if th
dexar [7]

If they together at the same rate for the same amount of time, they will solve 48 math problems,

From the question, we can see that two mathletes solve 32 math problems in a certain amount of time, this can be written as:

  • 2 mathletes = 32 math problems

In order to determine the number of problems for 3 mathletes, this is expressed as:

  • 3 mathletes = x

DIvide both expressions:

  • 2/3 = 32/x

Cross multiply

2x = 3* 32

x = 3 * 16

x = 48math problems

Hence if they together at the same rate for the same amount of time, they will solve 48 math problems,

Learn more on proportion here: brainly.com/question/1496357

6 0
3 years ago
What is more precise 7 m or 7.7 m
zimovet [89]
7.7 because it is more specific into the whole number but not just that and the decimal
3 0
3 years ago
PLEASE HELP ME ASAP. IT US DUE TOMORROW AND I NEED THE ANSWERS PLEASE
Tema [17]
Okay. 12 - 4 is 8. For the other question, you have to multiply the difference of that by 1/4. 8 * 1/4 is 2. The expression of (12 - 4) is four times the value of 1/4 * (12 - 8). and 2 is 1/4 the value of 8. The answers to this question are A , B, and C.
3 0
3 years ago
12x+7<-11 or 5x-8>40
DaniilM [7]

Answer:

A

Step-by-step explanation:

Given

12x + 7 < - 11 or 5x - 8 > 40

Solve each inequality

12x + 7 < - 11 ( subtract 7 from both sides )

12x < - 18 ( divide both sides by 12 )

x < - \frac{3}{2}

OR

5x - 8 > 40 ( add 8 to both sides )

5x > 48 ( divide both sides by 5 )

x > \frac{48}{5}

Solution is

x < - \frac{3}{2} or x > \frac{48}{5} → A

6 0
3 years ago
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