Answer:
310 - 3w
310 - 3(80) = $70
Step-by-step explanation:
310 - 30w
w = 8
310 - 30(8)
310 - 240
= 70
Answer:
30
Step-by-step explanation:
Answer:

Step-by-step explanation:
+
( multiply
by 3 and
by 7 to get a common denominator)
+
= 
<span>If 4 cans of coffee cost 2.40, then divide this by 4 to find out how much one can of coffe costs: 2.40/4 = .60. Now, we need to find 1/4 of .60. To do so, again divide by 4: .60/4 = .15. So, the cost of 1/4 can of coffee will be 15 cents.</span>