Answer:
50%
Step-by-step explanation:
Five out of 10 is 50%
First do
3x + -5x = -2x
Then do
-2x + 5x = 3x
Lastly do
3x+1
Answer:
A
Step-by-step explanation:
a and d look similar but I'm quite sure it's a
Answer:
boo
Step-by-step explanation:
Answer:
Nina can run:
13 1/2 km in 1 hour
Step-by-step explanation:
4 1/2 = 4 + 1/2 = 8/2 + 1/2 = 9/2
proportions:
9/2 hours ⇔ 1/3 hour
N hours ⇔ 1 hour
N = (9/2)*1 / (1/3)
N = (9/2) / (1/3)
N = (9*3) / (2*1)
N = 27/2
27/2 = 26/2 + 1/2 = 13 + 1/2 = 13 1/2
Nina can run:
13 1/2 km/h
13 1/2 km in 1 hour
