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NikAS [45]
3 years ago
14

If it takes a postal service person to deliver 18 pieces of mail in 15 minutes how many pieces of mail can he deliver in 1 hour

Mathematics
2 answers:
GaryK [48]3 years ago
6 0
60(one hour) divided by 15 is 4. 4 tines 18 is 112. A postal service person can deliver 112 pieces in 1 hour. Hope this helps!
exis [7]3 years ago
3 0
This Problem has to be solved using Unitary Method.

Number of letters postman can deliver in 15 minutes= 18 letters

Number of letters postman can deliver in 1 minute=18/15

Number of letters postman can deliver in 1 hour= 18/15*60
= 72 Letters
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Simplify the expression. -2/3c -9/5 + 14c + 3/10
Andrew [12]

Answer:

13 \frac{1}{3} c - 1 \frac{1}{2}

Step-by-step explanation:

We want to combine alike terms so

-2/3c+14c & -9/5+3/10

14c-2/3

\frac{14}{1} c -  \frac{2}{3} c

Multiply 14/1 by 3/3 to get the denominators the same

\frac{42}{3} c -  \frac{2}{3} c

Subtract

\frac{40}{3} c

simplify

13 \frac{1}{3} c

now

\frac{3}{10}  -  \frac{9}{5}

Multiply 9/5 by 2/2

\frac{3}{10}  -  \frac{ 18}{10}

Subtract

- \frac{15}{10}

Simplify

- 1 \frac{1}{2}

put both together

13 \frac{1}{3}c  - 1 \frac{1}{2}

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!

5 0
3 years ago
Read 2 more answers
The zeros of function d are -3 and 8. Which expression could be a factor of function d?
marysya [2.9K]
X+3 or x-8
These answers will both work!
8 0
3 years ago
Help help help help help help
Furkat [3]

\huge\bold{\purple{\bold{⚡133°⚡}}}

Step-by-step explanation:

Co interior angles' sum is 180°

  • So, 180-67=133
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5 0
2 years ago
Determine the slope of the line passing through the given points (1,2) and (2,-1)
alex41 [277]
I hope this helps you



slope=y2-y1/x2-x1



slope=2-(-1)/1-2


slope=3/-1


slope= -3
3 0
3 years ago
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You and a partner tend 3 machines that run continuously. One prints 200 plastic bottles per hour, one prints 180 plastic bottles
strojnjashka [21]
The first machine does 200 in 1 hour, so in 8.5 hours it will then do 200 * 8.5.

the second machine does 180 in 1 hour, so in 8.5 hours it will then do 180 * 8.5.

the third machine does 150 in 1 hour, so in 8.5 hours it will do then 150 * 8.5.

how many bottles will they all do in total on that time?

(200 * 8.5) + (180 * 8.5) + (150 * 8.5)
6 0
3 years ago
Read 2 more answers
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