Seudónimo Seudónimo
  • 02-01-2021
  • Mathematics
contestada

If 2a+4b=5 and a is equal to three times b, what is 3a?

Respuesta :

amysun2025
amysun2025 amysun2025
  • 02-01-2021

Answer:

3a=4.5

Step-by-step explanation:

it says that "a is equal to 3 times b", which translates to a=3b

We can substitute a as 3b in 2a+4b=5

2(3b)+4b=5

multiply

6b+4b=5

add

10b=5

divide by 10

b=1/2

since it's given that a=3b, we can multiply 1/2 by 3

a=3/2

3a is 3 times a, so we can mutiply 3(3/2)=9/2=4.5

Hope this helps!

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