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Alex
4 years ago
9

If it takes 5 workers 20 hours to brick a house, how long will it take 8 workers to do the job if they all work at the same rate

?
Mathematics
2 answers:
Juliette [100K]4 years ago
7 0

Answer: It's 12.5 hours.

Step-by-step explanation:

12.5 hours is correct. You are increasing the number of men.

5 men × 20 hours = 100 man hours

100 man hours ÷ 8 men =  100 /8 = 12.5 hours

Rainbow [258]4 years ago
6 0

So 20 / 5 = 4 hours per person and then you need to do 20 / 8

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Devin's bank charges $1.75 for nonbank ATM withdrawals and $0.30 for each debit card transaction. Last month, Devin paid $8.25 i
nikdorinn [45]

Answer:

10 times

Step-by-step explanation:

3 nonbank atm withdrawals costs 5.25 and the total is 8.25 meaning the remaining must add up to 3. And if you multiply .3 by 10 it gives you 3

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4 years ago
Cai is buying a fruit smoothie from the grocery store and wants the best deal, order the prices from the best to worst deal. (in
snow_tiger [21]

Answer:

Best Fruit, Smooth and Tasty, True Smooth, Healthy Smoothie

Step-by-step explanation:

#1 =0.101 -Best Fruit

#4 =0.24 -Healthy Smoothie

#2 =0.161 -Smooth and Tasty

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To get my answer, I divided the price by the number of ounces for each smoothie. This would give you the price of each ounce.

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4 years ago
Which of the following equations names the same line as -2x – 3y = 5?
qaws [65]

Answer:

c

Step-by-step explanation:

_6x -9y =15

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9y÷3=3y

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so,_2x -3y =5

7 0
3 years ago
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The answer is 0. BTW THAT IS EASY
5 0
4 years ago
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Gemiola [76]

Answer:

Rational:-5, 2/3, 0.5, sqrt 16

Irrational: sqrt 11, pi

Step-by-step explanation:

A rational number is a number which can be represented as a ratio or fraction and whose decimal is terminating or repeating. This includes all whole numbers positive and negative too.

Ex. -5, 2/3, 0.5, sqrt 16

An irrational number is a number that CANNOT be represented as a ratio or fraction and whose decimal is NOT terminating or repeating. These often include square roots and numbers like pi.

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4 years ago
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