babygurl3303
babygurl3303 babygurl3303
  • 10-12-2019
  • Mathematics
contestada

Mike had $12. He bought a book for $4 and a record for $5. How much did he spend ?

Respuesta :

mkarikari1850
mkarikari1850 mkarikari1850
  • 10-12-2019

Answer:

12=4+5+x

12-9=9-9+x

3=x

Step-by-step explanation:

  1. use x to represent the amount left
  2. solve for x

$3 left means that he spent $9

Answer Link

Otras preguntas

What is the least common denominator of 4/5 and 1/10
HURRY HURRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Concept maps work because they __
which sentence means "we're short five dollars" in spanish? A - nos faltan cinco dólares B - les interesan cinco dólares C - me aburren cinco dólares D - nos qu
If x varies inversely with y and x = 4 when y = 8, find x when y = 16
1. What is the slope-intercept form and what information does it give you? 2. How do you know if a set of data is a function, if you are giving an input/output
the lowest elevation in New Orleans Louisiana is -8 feet lowest elevation in Long Beach California is -7 feet what city has a lower elevation
Which type of equation would best model the data shown? A. Liner B. Quadratic C. Exponential D. none of the above
U.S. spy plane took this aerial photograph on November 5, 1962 following discussions between the U.S. and the Soviet Union: A black and white photograph taken f
How do you find total area of a cylinder
5. What is one new trend in organized crime? Why?