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Sagot :
Answer:
A. 10 weeks
Step-by-step explanation:
Oliver Marie
Starting 300 200
week 1 310 220
week 2 320 240
week 3 330 260
week 4 340 280
week 5 350 300
week 6 360 320
week 7 370 340
week 8 380 360
week 9 390 380
week 10 400 400
9514 1404 393
Answer:
A. 10 weeks
Step-by-step explanation:
Marie's balance is initially $100 less, but she deposits $10 more per week than Oliver does. It will take her 100/10 = 10 weeks to catch up to Oliver's balance.
Oliver and Marie will have the same balance after 10 weeks.
__
Oliver's balance at that time will be 300 +10×10 = 400.
Marie's balance at that time will be 200 +10×20 = 400. (the same)
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