Answer:
18.75 is the answer
Step-by-step explanation:
since the internet usage is more than 4 hrs, the second equation will be used. that is
cost = (10 + 2.50 (x - 4)) where x is the usage hours.
thus

7/28 as a decimal would be 0.28
Answer: I think its b
Step-by-step explanation:
Answer:
The test contains 10 three-point questions and 14 five-point questions
Step-by-step explanation:
Given equations are:

From 2nd equation we can deduce that x represents number of 3-point questions and y represents number of 5-point questions.
Using the substitution method:
From x+y = 24
y= 24-x
Putting this valu of y in 3x+5y=100

Hence, the correct answer is:
The test contains 10 three-point questions and 14 five-point questions..
Answer:
x = 2
Step-by-step explanation:
multiply (16/48) by 6 to get rid of the fraction and then you get x = 2