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balandron [24]
2 years ago
8

Oliver and Marie open bank accounts at the same

Mathematics
2 answers:
torisob [31]2 years ago
6 0

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)

Katena32 [7]2 years ago
3 0

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

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