Answer:
64.58
Step-by-step explanation:
100%-8%=92%
70.20*92%=64.58
1 hundred can also be 10 tens so when you add 10 tens and 4 tens you 14 tens and that is the same thing as 14 tens
Answer:
8.4 dollars
Step-by-step explanation:
The error is in the resolution of the proportion. In fact, the initial proportion is correct:

where x is the total cost. However, the following step of the resolution is wrong. In fact, the correct resolution is the following:
- Multiplying by x on both sides:

- Multiplying by 3.5 no both sides:

And now we can find x:

So, the total cost is 8.4 dollars.
Answer:
61:22:120
Step-by-step explanation:
Multiply each by 100
244:88:480
Now simply
122:44:240
61:22:120
(Just check to see or compare with others to see if answer is right)