Answer:
function a is faster
Step-by-step explanation:
3. 4y-3
because 1/3*12y - 1/3*9 = 4y - 3
Answer:
$25 a lamp
Step-by-step explanation:
First divide $10,000 by 500 lamps to find how much one of them cost
That is $20 a lamp so then multiply .25 *20 or 1/4 *20
you get 5 than add 20 +5=25