6a+18 should be your answer
50*25= 1250
2mins 15seconds= 135 seconds
135*3= 405
1250-405 = 845
Your score is 845
Answer:
$
Step-by-step explanation:
Let
the cost of one brownie,
cost of one cookie


Times
on both sides on the second equation above to get the following:




To find the value of
, use substitution:



the cost of a brownie is $
Hope this helps :)
You would be able to cut 144 pieces of wire from the spool because 270/1 7/8 (or 1.875) equals 144