3 years ago

Brian has $30 in his piggy bank. He earns $10 a week at his job.

Mathematics

2 answers:

Vesna [10]3 years ago

6 0

Answer:

B. 2

Step-by-step explanation:

10w +30 = 20w +10,

30 - 10 = 20w - 10w,

20 = 10w,

so the answer is,

w = 2

sleet_krkn [62]3 years ago

3 0

Answer:

B. 2 weeks

Step-by-step explanation:

1st week

Brian will have $40

Sarah will have $30

2nd week

Brian will have $50

Sarah will have $50

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