It’s b!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Im pretty sure is b) 83 pizzas because 83 times 7.25 is equal to 601.75 and then if you subtract that by 425 you get 176.75
Simplif 1/2t to t/2
t/2 + 8 = 5/2t - 10
Simplify 5/2t to 5t/2
t/2 + 8 = 5t/2 - 10
Multiply both sides by 2
t + 16 = 5t - 20
Subtract t from both sides
16 = 5t - 20 - t
Simplify 5t - 20 - t to 4t - 20
16 = 4t - 20
Add 20 to both sides
16 + 20 = 4t
Simplify 16 + 20 to 36
36 = 4t
Divide both sides by 4
36/4 = t
Simplify 36/4 to 9
9 = t
Switch sides
<u>t = 9</u>
Answer:
The percent error in his calculation is 5.26%.
Step-by-step explanation:
Percent error:
Number of misses multiplied by 100 and divided by the correct value.
In this question:
Total of 72 + 4 = 76 people. 4 were missed, so:

The percent error in his calculation is 5.26%.
Y=Mx+b
M=3
Now you need b, so plug the x-coordinate and y-coordinate into the x and y in the equation to find the b.
-5=3(-3)+b
-5=-9+b
Add 9 to both sides to isolate the b
-5=-9+b
+9. +9
4=b
So the equation is
Y=3x+4