please refer to above attachment ↑↑
Hello!
To solve this, find the cost of a single light bulb first, by dividing 9 / 5.
9 / 5 ==> 1.80
One light bulb is $1.80
Now, multiply 1.80 by 7.
1.80 * 7 = 12.6
7 light bulbs cost $12.6
Hope this helps! ☺♥
B: The associate property of addition.
Answer:
X<9
Step-by-step explanation:
Price/units= cost per pen
$12.25/26=.47
Answer .47 cents per pen