3. y=5x+1
y=3x+5
5x+1=3x+5
5x-3x=5-1
2x=4
x=2
4.y=3x-5
3x-2y=4
2y=6x-10
2y=3x-4
6x-10=3x-4
6x-3x=-4+10
3x=6
x=2
5.3x-y=13
2x+3y=16
3x-y=13
2x+3y=16
y=3x-13
3y=16-2x
3y=9x-39
3y=16-2x
9x-39=16-2x
9x+2x=16+39
11x=55
x=11
Hope i helped ❤️
Answer: 30
Step-by-step explanation: or if you wanna go extra put 30.1860465116
Answer: about 16 people would get to 100 and 30,000 would make it to 99
Step-by-step explanation:
the avarage life span is up to 70 years. About 1 in 6,000 reach 100.
<h2>
Answer:</h2>
112.5%
<h2>
Step-by-step explanation:</h2>
100% = 80 - first, you have to write down, what is 100%
1% = 80/100 - than, you need to find out, what is 1% of 80
1% = 0.8
90/0.8 = 112.5% - last step is dividing 90 by 1% of 80
