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

which city was located nearest the nile river delta
which city was located nearest the nile river delta
Which two numbers have a difference of 5 and a product of 3.36???
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
write words to match the expression. 24- ( 6+3)
write words to match the expression. 24- ( 6+3)
Which two numbers have a difference of 5 and a product of 3.36???
which city was located nearest the nile river delta