Aysha ran 400 meters in 10 minutes on Monday and she ran 825 meters in 25 minutes on Tuesday. On which day she ran faster?

Monday

Step-by-step explanation:

Day 1 (Monday):

10 minutes to seconds: 10 x 60 = 600 seconds

= 0.67 m/s

Therefore day 1 she ran at 0.67 m/s

Day 2 (Tuesday):

25 minutes to seconds: 25 x 60 = 1500 seconds

= 0.55 m/s

Therefore day 2 she ran at 0.55 m/s

She was faster day 1 (Monday)!

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

(23*2)-12=x     x=34

step-by-step explanation: