Estimation for addition: 86 rounds up to 90 and 17 rounds up to 20 so:
90 + 20 = 110
Estimation for subtraction is the same thing but with subtraction
90 - 20 = 70
Now for the exact answers:
86 + 17 = 103
86 - 17 = 69
Your answers are 110, 70, 103, and 69.
It would either be that they Miss-counted the hot dog buns that they put into each pack or that they put 7 buns on purpose
Gradient =2 because the slope is 2 units. Y-intercept = -2 because it crosses the y-line at -2.
Step-by-step explanation:
there is the answer. good luck
