Answer:
31
Step-by-step explanation:
p = 8
p + 23
= 8 + 23
= 31
31 is the answer.
Kiera walked at a faster rate because after one hour, she would've walked 3.5 miles. Aiden walked 2 2/3 in hour.
A) n + d = 20
B) .05n + .10d = 1.40 Multiplying A) by -.10
A) -.1n -.1d = -2 Then adding it to B
B) .05n + .10d = 1.40
-.05n = -.60
n = 12 nickels
d = 8 dimes