desirjeanpierre1
desirjeanpierre1 desirjeanpierre1
  • 24-06-2017
  • Mathematics
contestada

if (7b+3)÷3=80,, then 2b= A) 67.72 B) 22.86 C) 38.86 D) 45.71 which one is the right one????

Respuesta :

FLORC
FLORC FLORC
  • 24-06-2017
(7b+3)÷3=80
×3 both sides
7b+3=240
-3 both sides
7b=237
÷7 both sides
b=33.86
2b=
2×33.86= 67.72
A


Answer Link

Otras preguntas

depict an angle 7pi over 4 in standard position
What were the origins of Islam and what are its main beliefs ..
How many syllable in electricity
john and mary went to the mall. Is that a sentence or a fragment?
Explain why summer in the Northern Hemisphere is cooler than summer in the Southern Hemisphere.
What equals to 31 using multiplication?
How many syllable in electricity
john and mary went to the mall. Is that a sentence or a fragment?
john and mary went to the mall. Is that a sentence or a fragment?
depict an angle 7pi over 4 in standard position