Answer:
Bret would need to work for 8 days.
Step-by-step explanation:
He has $50 and needs to pay $250. 250-50= 200. £20 is $27.59 200/27.59 =7.24 If £20 is a typo then 10 days.
Here, this website explains it perfectly
Step-by-step explanation:
https://www.k5learning.com/blog/subtracting-positive-and-negative-numbers
<span>3a+4x=29 (1st)
2a-3x=-9 (2nd)
multiply (1st) by 3 and (2nd) by 4
</span>9a + 12x = 87 (1st)
8a - 12x = -36 (2nd)
---------------------add
17a = 51
a = 3
<span>2a-3x=-9
</span><span>2(3)-3x=-9
6 - 3x = -9
-3x = -15
x = 5
answer
x = 5 and a = 3</span>
Write out the numbers fully and divide the users in Europe by the total number of people. Multiply by 100 to get it in percentage terms
