nikeriadenmark63 nikeriadenmark63
  • 17-12-2021
  • Mathematics
contestada

Twice jack’s age plus 5 is 21.write and solve an equation.how old is jack

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 28-12-2021

Answer:

  8

Step-by-step explanation:

If j represents Jack's age, we have ...

  2j +5 = 21

  2j = 16 . . . . . . subtract 5

  j = 8 . . . . . . . . divide by 2

Jack is 8 years old.

Answer Link

Otras preguntas

Children who enjoy gym class are more likely to be physically fit, they get more exercise.
as a puppy, kim's dog weighs 15 ounces. as an adult, kim's dog weighs 8 pounds. how many ounces did kim's dog gain
Which is the best reason why President Wilson uses the word “we”?
Which metric prefix is equivalent to 0.01 base units? A) centi- B) deci- C) kilo- D) milli-
If 45.0 mL of 0.25 M HCl is required to completely neutralize 25.0 mL of NH3, what is the concentration of the NH3 solution? Show all of the work needed to solv
Another name for the natural numbers is _____. A.the whole numbers B.the counting numbers C.the integers D.the rational numbers
The processes of transformation and transduction are important to which kingdom and why?
What dose latte mean in Spanish
Which scenario MOST LIKELY encouraged America’s Founding Fathers to design a government that shares power
Each side of the equilateral triangle shown is 5 inches long. The base of each of the right triangles shown in the picture is 2.5 inches long. What is the heigh