So 15-7 is 8
Here are some things I did:
10-2 or 28-20
<span>50 beats per minute i think
</span>
Answer:

Step-by-step explanation:
You got $6000 more, so each year you gain $500. Now we calculate the percentage out of 10,000 to find the simple interest rate:

Answer:
40
Step-by-step explanation:
Let number of stickers Sophia has be "x" and number of stickers Ethan has be "y"
Now,
Sophia has 3 for every 2 ethan has, that means
3x = 2y
When sophia gives 16, she will have:
3x - 16
Ethan, after getting 16, will have:
2y + 16
This trade will make Ethan to have TWICE, so we can write:
2(3x-16) = 2y + 16
Now, the 1st equation can be written as:
3x = 2y
x = 2y/3
Now replacing this into 2nd, we solve for y:

So, x is:

<u>Ethan and Sophia has:</u>
<u>24 + 16 = 40 stickers altogether</u>