Q: What is the sum of 20 plus 40 plus 70 plus 80?

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The sum of 70 + 30 + 1250 + 50 + 100 = 1500

20 + 50 = 70.

-40 + 70 = 30

4 plus 10 plus 16 plus 70 equals 100. To find the sum of this series, simply add all the numbers together.

The sum of these numbers is 563.

Related questions

The sum is 50+20 = 70

the sum of 70 + 30 = 100

The sum of 70 + 30 + 1250 + 50 + 100 = 1500

20 + 50 = 70.

-40 + 70 = 30

10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 + 100 = 550

The mean value of 100, 70, 70, and 20 is 65

-20

190

To create an alloy with 40% copper, you would need to mix equal parts of the 20% alloy with the 70% alloy. This means you need to mix 50 ounces of the 20% alloy with 50 ounces of the 70% alloy to achieve the desired 40% copper content in the final alloy.

120

4 plus 10 plus 16 plus 70 equals 100. To find the sum of this series, simply add all the numbers together.