gabrielaromero2 gabrielaromero2
  • 11-01-2019
  • Mathematics
contestada

john paid $99 for one algebra book and two geometry book. the cost of a geometry book is $3 less than a algebra book. substitution equation

Respuesta :

willowbeewilson willowbeewilson
  • 11-01-2019

Answer:

A=34, G=31

Step-by-step explanation:

G=A-3

2G+A=99

plug in for g 2(A-3)+A=99

distribute 2 A-3+A=99

combine like terms 3A-3=99

solve for a 3A=102 A=34

plug in a solve for g G=34-3 G=31

Answer Link

Otras preguntas

Here's a story problem...."Rita's wants to estimate the number of beans in a large jar.  She takes out 100. she takes out 100 beans and marks them. Then she ret
Here's a story problem...."Rita's wants to estimate the number of beans in a large jar.  She takes out 100. she takes out 100 beans and marks them. Then she ret
if arctan(3/5)=K    Tan(k)=?
How do you find the perimeter of a dented square?
if arctan(3/5)=K    Tan(k)=?
How do you find the perimeter of a dented square?
How do you find the perimeter of a dented square?
What was an effect of nationalism in Europe in the early 1900s?
At the begining of 6 grade the ratio of number of the advanced math students to the number of regular students was 3:8. However after taking the placement tests
How do you find the perimeter of a dented square?