Answer:
$34
Step-by-step explanation:
Look at the tens place with a 6,
The 8 next to it makes it round up,
The nearest ten dollars is $170,
170(.20) = $34
Answer: 
Step-by-step explanation:
Given: 83 : 45 :: 72 : ?
Let unknown quantity (?) be x.
Now, x : y :: a : b

83 : 45 :: 72 : x

Hence, 
GCF means: greatest common factor, the biggest number by which both numbers can be divided.
We knew that both numbers are divisible by 3: both 6 and 3 are divisible by 3.
also, they are both divisible by "a": since they are products of a and other numbers or variables.
So the answer is:
3a
Answer:
Ana washed 8 cars.
Step-by-step explanation:
x=amount of cars washed
26=2x+10
16=2x
x=8