Answer:
48
Step-by-step explanation:
You multiply by 0.18 (18%) per week. Since your adding the initial 25 to it, you can do 25*1.18 to get week one.
week one 25*1.18=29.5
week two 29.5*1.18=34.81
week three 34.81*1.18=41.0758
week four 41.0758*1.18=48.469444
round 48.46944 to 48
