no substituion only rea numbersStep-by-stion:
Answer:
$45
Step-by-step explanation:
$3 times 15 days = $45
64/3=x/1
easy, just divide
64/3=21 and 1/3 calls per hour
Answer:
Step-by-step explanation:
x= -1 or x=3
Answer: 69
Step-by-step explanation:
The two angles are a linear pair, which means that they lie on the same line. Therefore, you just have to substract angle 1 with 180.
180-111=69