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AleksandrR [38]
3 years ago
7

Roberto got $30 for his birthday. He decides to save that

Mathematics
1 answer:
shutvik [7]3 years ago
7 0

After 10 weeks, the boys will have same amount in savings.

Step-by-step explanation:

Given,

Roberto already have $30.

Amount saved each week = $5

Let,

x be the number of weeks.

R(x) = 30+5x

Amount saved by Jack each week = $8

J(x) = 8x

For same amount, the functions will be equal.

R(x) = J(x)

30+5x=8x\\30=8x-5x\\30=3x\\3x=30

Dividing both sides by 3

\frac{3x}{3}=\frac{30}{3}\\x=10

After 10 weeks, the boys will have same amount in savings.

Keywords: functions, division

Learn more about functions at:

  • brainly.com/question/1499598
  • brainly.com/question/1502731

#LearnwithBrainly

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