You left 20% tip. all you do is divide the tip,0.60, by the total , 3.
Answer
2x+5=43
Step-by-step explanation:
5 more than 2 times a number is 43
y-intercept -3
slope 1/2
is sufficient info with which to write an equation for a straight line:
y = mx + b becomes y = (1/2)x - 3.
You should check this by determining whether or not (2,-1) satisfies this equation.
