Hayley has $155 in savings, and her brother hank has $230. hayley is saving $10 each week, and her brother is spending $15 each week. after how many weeks will their saving accounts have the same amount of money in them?

3 weeks

Step-by-step explanation:

Given: Hayley has $155 in savings, and her brother Hank has $230. Hayley is saving $10 each week, and her brother is spending $15 each week.

To Find:  After how many weeks will their saving accounts have the same amount of money in them

Solution:

Savings of Hayley

Savings of Hayley's brother

savings hayley per week

spending of Hayley's brother per week

let the number of weeks are

Amount hayley has after

Amount hayley's brother has after

now,

After three weeks hayley and his brother have the same amount in their savings account

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

4th option is correct xy=-10

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