Answer:
1100 minutes
Step-by-step explanation:
Equation: 35=.05x-20
Why? x is the amount of minutes on his phone. Each minute is 0.05 hence 0.05x. Subtract 20 because that is the flat rate
55=.05x
x=1100
Therefore he was on his phone for 1100 minutes
Answer:
Greater
Step-by-step explanation:
The answer is greater because 9 is greater than 5. When working with decimals, always look at the whole number first!
The answer to this problem is (x,y) = (-4,2)