Answer: 
skin cells were not burned.
Step-by-step explanation:
<h3><u>
The complete exercise is: Two percent of Sennie's skin cells were burned when she escaped from a fire. If 
of her skin cells were burned then, how many skin cells were not burned?</u></h3><h3 />
Let be "x" the number of Sennie's skin cells that were not burned when she escaped from the fire.
According the the data given in the exercise, you know that 2% represents of Sennie's skin cells that were burned. This means that the percent of her skin cells that were not burned is:
With this information you can write the following proportion:
Solving for "x", you get:
To express the result in Scientific notation, the decimal point must be after the first digit; then you must move the decimal point two places to the left:
4x+13=5x-12
-4x. +12
25=x
3(25)-8=4y+7
75-8=4y+7
67=4y +7
-7
60=4y
y=15
lol i know this is correct bc this was a problem on my homework a couple days ago and i got it right
Answer:
17 batches
Step-by-step explanation:
51/4 ÷ 3/4 = 51/4 x 4/3
=17
Answer:
No.
Step-by-step explanation:
29 is greater than 12, so she does not have enough.
It is -7w.
Explanation:
Imagine you have 3 apples. You owe 10 apples. You give away your 3 apples to the people you were in debt to. But you still owe 7. So that's a -7.
