That’s 30 dollars she has
Answer:
w=9
Step-by-step explanation:
Our equation is: 8w-15=57
Add 15 to both sides
-15 is now gone because we added 15 so it would be zero
and we have 72 because 15 plus 57 is 72
Now we have:
8w=72
Divide by 8 on both sides
8w cancels out to just w
and 72 divided by 8 is 9
And you're left with:
w=9
It's 1/7 e 7 x. the seven and the x are exponents.
30 times 86 equals 2580 and 4 times 86 equals 344 add those together and you get 2924
Answer: I would want to mathematically get better at percentages.
Step-by-step explanation: