Answer:
A. Division property of inequality
Step-by-step explanation:,
If a, b and c are any real numbers,
By the division property of inequality,
a = b ⇒ ,
By the inverse property of multiplication,
where, 1 is multiplication identity.
By the subtraction property of inequality,
a = b ⇒ a - c = b - c
By transitive property of inequality,
a = b and b = c ⇒ a = c,
Thus, it is clear that,
Division property of inequality is used in step 4.
Option A is correct.
The right answer is Option D.
Step-by-step explanation:
Let,
Kyle's money = x
Hayden's money = y
Jeremy's money = z
According to statements;
Kyle has three times as much money in his savings account as Hayden.
x = 3y Eqn 1
Hayden has twice as much money in his savings account as Jeremy.
z = 2y Eqn 2
Combined Kyle, Hayden, and Jeremy have a total of $612.
x+y+z=612 Eqn 3
Putting value of x and z from Eqn 1 and 2 in Eqn 3
Dividing both sides by 6
Putting in Eqn 1;
Kyle has $306 in his account.
The right answer is Option D.
Keywords: Linear equations, division
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