Question

A student solved this problem by making a table. Jason has $160. Liam has $120. In how many years will they both have the same amount of money if Jason saves $100 per year and Liam saves $110? Jason $160 $260 $360 $460 $560 Liam $120 $230 $340 $450 $560 Year 0 1 2 3 4 Here is a problem that can also be solved by making a table. Kayla has $50. Nina has $80. In how many months will they both have the same amount of money if Kayla saves $50 per month and Nina saves $40? months

Answer 1

3 years for both of the equations

Answer 2

J=160+100t, L=120+110t, we wish to know when J+L so

150+100t=120+110t

10t=30

t=3 years

...

50+50t=80+40t

10t=30

t=3 years