7(3a + 12) = 168 ← ( divide both sides by 7 )
3a + 12 = 24 ← ( subtract 12 from both sides )
3a = 12 ← ( divide both sides by 3 )
a = 4
OR
distribute the parenthesis by 7
21a + 84 = 168 ← ( subtract 84 from both sides )
21a = 84 ← ( divide both sides by 21 )
Answer:
The minimum amount of of water in the cylinder is 8.5
Step-by-step explanation:
answer: in standard form it is 339
your mom would have to make 13 pies
91/7=13
idk 3 maybeeed im in 3rd grade idk