+0  
 
0
55
1
avatar

If a + b = 8, b + c = 3, and a + c = 5, what is the value of the product abc?

 Jan 24, 2021

Best Answer 

 #1
avatar+137 
+1

a+b=8

b+c=3

subtract the top by the bottom

a-c=5

 

a-c=5

a+c=5

add top and bottom

2a=10

a=5

 

now that we know a, we can find b by using the first equation

a+b=8

5+b=8

b=3

 

we then plug b into the second equation to get

b+c=3

3+c=3

c=0

 

5*3*0 = 0

abc=0

c=0

 Jan 24, 2021
 #1
avatar+137 
+1
Best Answer

a+b=8

b+c=3

subtract the top by the bottom

a-c=5

 

a-c=5

a+c=5

add top and bottom

2a=10

a=5

 

now that we know a, we can find b by using the first equation

a+b=8

5+b=8

b=3

 

we then plug b into the second equation to get

b+c=3

3+c=3

c=0

 

5*3*0 = 0

abc=0

c=0

BWStar Jan 24, 2021

64 Online Users

avatar
avatar
avatar
avatar
avatar
avatar
avatar
avatar
avatar