Question

Express each rule with an equation. Use single letters to stand for the variables. Identify what each letter represents.

9. The number of hot dogs needed for a picnic is two for each students.


10. The cost of a taxi ride is $2.00 plus $1.10 per mile.

11. A cellphone family plan costs $49 per month plus $0.5 per text. Write an equation for the monthly bill b when t text are sent.
b= cost of monthly bill
1= # of texts sent

Answer 1

9. x=hot dog y=student
2x=y
10. x=miles y=total cost
y=1.1+2
11. b=bill t=texts
b=0.5t+49