Question

12. What per cent is:
(a) 15 minutes of 2.5 hours
(d) 25 mm of 5 cm
(b) 4500 g of 15 kg
(e) 4000 g of 2 kg​

Answer 1

Answer:

(a)Given1. 1 hour = 60 minutes2. Thus, 2 hours x 60 minutes/hour = 120 minutesTherefore120 minutes ÷ 30 minutes = 0.25 = 25%

Missing: 12. ‎| Must include: 12

Step-by-step explanation:

o think i could only solve 1st one i dont know other questions yet...so sorry..

But if it helps u dont forgive to rate my answer

Answer 2

Answer:

10% , 50% , 200%

Step-by-step explanation:

2.5hr=150 min

150-100

15- x

by cross multiplication

150x=1500

x=1500/150

x=10%

5cm=50mm

50-100

25-x

by cross multiplication

50x=2500

x=2500/50

x=50%

2kg=2000g

2000-100

4000-x

by cross multiplication

2000x=400000

x=400000/2000

x=200%

I hope my answer helps you☺☺