I'm pretty sure you just answered your own question, (no hate), but I'm going to take a guess and say 2 hours??
Answer:
Random, because he surveyed 30 <em>random</em> shoppers
Let x= original number
equation: 2x+24=2/7 x
move 2x over to the other side of the equation to get 24=-12/7 x. Then, multiply both sides of the equation by -7/12 to isolate the variable.
The final answer should be x=-14
Answer:
82
Step-by-step explanation:
because 63% of 130 is 81.9
and since the question is asking approximately which means rounding, so you round 81.9 to get 82.
Answer:
you use the pythagorean theorem
Step-by-step explanation:
P.S. im not doing your hw
