abcdfiahpoy abcdfiahpoy
  • 11-02-2021
  • Mathematics
contestada

David was thinking of a number. David doubles it, then adds 3 to get an answer of 81.6. What
was the original number?

Respuesta :

emelynkoh
emelynkoh emelynkoh
  • 11-02-2021

Answer:

39.3

Step-by-step explanation:

81.6 - 3 = 78.6

78.6 ÷ 2 = 39.3

Answer Link

Otras preguntas

Why was the Battle of Saratoga a turning point in the American Revolution? A. It was the last major battle of the war. B. It convinced the Americans that they h
How do you solve this by completing the square? 6x^2-10x+4=0 I got 3x-5/2=+or-√17/2. I'm not sure.
The ratio of ages (in years) of three children is 2:4:5. The sum of their ages is 33. What is the ages of each child ?
what percent of 61 is 152.5?
How is infinite .99999999999 equal 1? (explain)
solve this equation 3x+5y=26 2x-y=13
What are three factors that contribute to a source not being credible
True or false in a physical change, the substance doesn't change its identity
A angle that turns through 42 one degree angles has a measurement of?
Which state is by Argentina on the map of South America