To find out the equation that represents how many days it will take for Judy and Elenore to have the same amount of money saved, you would set their equations equal to each other:
75d + 7 = 7d + 75
To solve for d, you would subtract 7d from both sides:
68d + 7 = 75
Then subtract 7 from both sides:
68d = 68
Thus, d = 1.
After 1 day, Judy and Elenore will have the same amount of money saved.
To find out how much money they have each after this day, you would substitute d = 1 into either of the original equations:
For Judy: y = 75(1) + 7 = 75 + 7 = $82
For Elenore: y = 7(1) + 75 = 7 + 75 = $82
Therefore, after the day it took for them to have the same amount of money saved, both Judy and Elenore will have $82 each.
What equation represent how much money Judy will have in total after saving for d days? y = 75d + 7 What equation represents how much money Elenore will have in total after saving for d days? y = 7d + 75 What equation would be used to find out how many days it will take for Judy and Elenore to have the same amount of money saved? 7d + 5d = 100 + 75 After the number of days it took both to have the same amount of money saved, how much money do they have each? $15
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