The old mean was 51 now the mean is 42.33... (round that to 42) 51 - 42 = 9
Answer:
$120.
Step-by-step explanation:
The amount he sells the tool kit for = 80 + 20% of 80
= 80 + 16
= $96.
Let m be the marked price, then
m - 0.20m = 96
0.8m = 96
m = $120.
Answer:
135 miles in 3 hours
Step-by-step explanation:
I think the answer is 5 because 25 divided by 5=5
