Answer: 12 coins
Step-by-step explanation:When you add up all the coins you get 80. 15% of 80 is 12.
Answer:
14%
Step-by-step explanation:
Answer:21400
Step-by-step explanation: without tax=$20000
Tax=7%
Including tax=20000+7% of20000
That is 20000+7×20000/100=21400
So total cost is $21400
-3y = 12 1) divide -3 on both sides
y = -4
Hope this helps!!!
--(1)
And
--(2)
Adding (1) and (2)