garcialuis60292 garcialuis60292
  • 04-04-2020
  • Mathematics
contestada

Use mental math to find the sum of 43 and 57

Respuesta :

Аноним Аноним
  • 04-04-2020

Answer:

100

Step-by-step explanation:

43+57=100

I added 3+7=10

Then 40+50=90 and added them

90+10=100

Answer Link
kyleotw kyleotw
  • 04-04-2020

Answer: 100

Step-by-step explanation:

You know that 3+7=10

You know that 40+50=90

90+10=100

Answer Link

Otras preguntas

How did the American preacher Jonathan Edwards’s preaching style compare with the British preacher George Whitefield’s?
what is 5/15 × 9/25 =
what is 14,494 to the nearest ten thousand feet
George Washington how old would he be today
Aiden walked 1/8 of a mile in 1/16 of an hour. Compute the unit rate as the complex fraction.
in a/an ________ economy,the production of a wide range of manufactured products more economically important than primary production and a service sector begins
What's the difference between whole numbers and positive integers
How did the Holocaust contribute to ongoing Arab-Israeli conflict? a. Since so many Jewish people had been murdered in the Holocaust, many international organi
233,740 expanded word form
What's the difference between whole numbers and positive integers