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KIM [24]
3 years ago
6

The Jones family received 23 pieces of mail on July 19. The mail consisted of ads, bills, letters, and magazines. How many ads d

id they receive if they received the same
number of ads as letters, three more bills than letters, and five more magazines than bills?
Mathematics
1 answer:
Gnoma [55]3 years ago
5 0

Answer:

3 ads

Step-by-step explanation:

a=l

l+3=b

b+5=m

x+x+x+3+x+3+5

4x+11

x=3

3 ads 3 letter 6 bills 11 magazines

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3 years ago
A software company keeps a ratio of 2.5 testers to every 10 software developers. If the company hires 20 developer in one year,
pochemuha

Answer:

They will need to hire 5 testers.

Step-by-step explanation:

This question can be solved using a simple rule of three.

For each 10 developers, we need 2.5 testers. So how many testers are needed for 20 developers?

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