Answer:
-9n
Step-by-step explanation:
Answer:
B.) 15 - A = 6
Step-by-step explanation:
The equation shows that Marcella had $15 then bought something (A), and now she has 6 dollars left.
15 - A = 6
Answer:
12a + 18 = 12a + 18
Step-by-step explanation:
times what's in the brackets by what's to the left of the brackets
Answer:
Step-by-step explanation:
Grace paid $4.80/(4 notebooks) = {$4.80/4)/notebook = $1.20 per notebook
Jim paid $3.90/(3 notebooks) = ($3.90/3)/notebook = $1.30 per notebook
Grace found the better buy.