Answer:
X=10 times 4
Step-by-step explanation: 10 =25 percent, 25 times 4 equal 100 percent, 10 times 4 is x
12.33
Step-by-step explanation:]
450-80=370/30=12.33
y=50x
Step-by-step explanation:
distance = 50 times the laps
100= 50 x 2
200 = 50 x 4
250= 50 x 5
400 = 50 x 8
is this on khan academy?
6. A
7. D
8. B
9. C
10. B