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Given
Ravi has $445 in his savings account.
He wants to save at least $795.
Write and solve an inequality to determine how much more money Ravi must save to reach his goal.
To proof
As given
amount of money in dollars Ravi must save to reach his goal be = d
Ravi has in his savings account = $445
He wants to save at least $795
than the inequality become in the form
thus $350 Ravi must save to reach his goal.
Hence proved
We can't find what PT exactly is because we don't know TQ or x. However, we can find PT in terms of TQ!
Multiply the second equation by seven sixths to get:
Subtract
from both sides to get:
Substituting PT for 7x-24, we see that:
, which is our answer.
Multiply the second equation by seven sixths to get:
Subtract
Substituting PT for 7x-24, we see that: