Answer:
b
Step-by-step explanation:
<span>Question 3
Solve for d.
13d + 4 = 43
13d = 39
d = 3
answer
A. 3
</span><span>Question 4
Solve for r.
4r - 6 = 30
4r = 36
r = 9
answer
D. 9
</span>
<span>Question 5
Solve for u.
126 = 6u
u = 126/6
u = 21
answer
B. 21
</span>
1. 2.00/64=3.125 cents per oz
2. 7.50/256=2.930 cents per oz.
3. The best deal is at the whole sale
That’s all correct thanks
