The answer to your question is -1 < y < 3
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Donald earns $23 each weekend and Mickey earns $30.
Step-by-step explanation:
Given,
Money earned by Mickey and Donald = $53
Let,
Share of Mickey = x
Share of Donald = y
According to given statement;
x+y=53 Eqn 1
x = y+7 Eqn 2
Putting value of x from Eqn 2 in Eqn 1

Dividing both sides by 2

Putting y=23 in Eqn 2

Donald earns $23 each weekend and Mickey earns $30.
Keywords: linear equation, substitution method
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Answer:
the additional charge per minute because t represents the number of minutes
Step-by-step explanation:
70°
(the sum of the angles of a triangle is 180°
180 - 40 = 140.
140/2 = 70
The other 2 angles are 70°
70° + 70° + 40° = 180°).