3 years ago

2) If 20 workers can build a house in 45 days, how many more workers are needed

Mathematics

2 answers:

Phoenix [80]3 years ago

7 0

It’s D 18 if wrong I’m sorry but I took this test as well

Helga [31]3 years ago

3 0

Answer:

Step-by-step explanation:

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Aleks [24]

The answer is 4/7. see it from the multiple of 3...3*4 =12 and 3*7= 21. So this is the answer: 4/7.

4 0

3 years ago

The price of the product decreased by 10%and then decreased by 20% . calculate total percentage change between the final and ini

aev [14]

What is percentage change?

By quantifying the difference between two numbers and expressing it as an increase or decrease, the Percentage Change Calculator (percent change calculator) may determine the percentage change.

The initial price $V_{1}$ (100%) was decreased by 10%., then this reduced price is reduced more by 20% that becomes the final price $V_{2}$ which is 72.