Which situation is represented by the equation? 9x + 90 = 6x + 120 a) jake has $90 and mike has $120. jake saves $6 per week and mike saves $9 per week. how long will it be before jake has more money than mike?   b) jake has $90 and mike has $120. jake saves $9 per week and mike saves $6 per week. how long will it be before jake has more money than mike?   c) jake has $90 and mike has $120. jake saves $9 per week and mike saves $6 per week. how long will it be before mike has more money than jake?   d) jake has $90 and mike has $120. jake saves $9 per week and mike saves $6 per week. how long will it be before jake and mike have the same amount of money?