Answer:
4x
Step-by-step explanation:
Simply add 4 and x, and that is 4x.
It is 6x + 42 because you need to multiply 6 to x and 7 (they are in a parenthesis)
Answer:
W, I believe
Step-by-step explanation:
Charges 0.50 per mile with a 5 dollar surcharge. Spending at most 30 dollars, the equation would be:
0.5x+530
To find how many miles they can travel/the solution, solve the inequality:
Subtract 5 from both sides.
Divide both sides by 0.5.
They can travel (at most) 50 miles.
Hope this helps :)