Answer:
4
Step-by-step explanation:
The equation would be x * 3 = 12 because we know that Hal's age is 12 and that he's 3 times as old as his nephew. When we solve it we get the answer 4.
Answer:
$18.05
Step-by-step explanation:
Plug in the expressions where the letters say for example the first problem would be set up as “4( x-5 )- 4( 2x+5 ). distribute and solve the equation.
It mean something that is even