Arturo has $120. max has $90. in how many years will they both have the same amount of money if arturo saves $90 per year and max saves $100?

arturo
$120
$210
$300
$390
max
$90
$190
$290
$390
year
0
1
2
3

here is a problem that can also be solved by making a table.

amira has $80. sasha has $40.

in how many months will they both have the same amount of money if amira saves $40 per month and sasha saves $50?