taylorbug6161
04.05.2021 •
Mathematics
Problem Situation: Ike has $126 in his bank account. He gets $20 for his
birthday. He also has a part-time job that pays $8 per hour. How many hours will
he need to work to have $250 in his bank account?
Solved
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Ответ:
The Substitution Property of Equality allows you to say that if 7j + 14k = 28, and j = 2, then k = 1 .
Step-by-step explanation:
As the expression is given in the question be as follow .
7j + 14k = 28
As given the value of j = 2 .
Put the value of j in the equation 7j + 14k = 28 .
7 × 2 + 14k = 28
14 + 14k = 28
14k = 28 - 14
14k = 14
k = 1
Therefore the Substitution Property of Equality allows you to say that if 7j + 14k = 28, and j = 2, then k = 1 .