A student solved this problem by making a table.
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?