Associative
What is the value of the expression 2x+5 when x=35?
80
At 6 am, the temperature was 62 degrees Fahrenheit. By 8 am, it had warmed up 6 degrees. By 10 am, it had warmed up another 8 degrees. What was the temperature at 10am?
76 degrees fahrenheit
Mia, Joey, and Serena all went for a run. Mia ran 5 minutes longer than Joey. Serena ran 10 minutes less than Joey. Let j represent how long Joey ran. Write an expression for how long Mia ran. Write an expression for how long Serena ran.
Mia: j + 5
Serena: j - 10
Olivia is 8 inches taller than Gigi. Use h for Olivia's height. Write an expression for Gigi's height.
What is h + 8