Question

I really need help in This. Can u please help me with explanation ​

Answer 1

(a) cost of 12 bananas = Rs 60

• so cost of 1 banana is 60/12= Rs 5
• therefore cost of 8 bananas = 8 X 5
• = Rs 40

(b) cost of 5kg rice = rs 130

• so cost of 1kg rice = 130/5 = Rs 26
• therefore cost of 24kg rice = 26 X 24
• = Rs 624

(c) cost of 15 postcards = Rs 15.30

• so cost of 1 postcard = 15.30/15 = Rs 1.02
• therefore cost of 18 postcard = 1.02 X 18
• = Rs 18.36

(d) distance flied in 4 hrs = 6000 Kms

• distance flied in 1hrs = 6000/4= 1500 Kms
• therefore distance flied in 6 hrs = 1500 X 6= 9000kms

(e) cost of 15 envelopes= Rs 45

• cost of 1 envelope = 45/15= Rs 3
• therefore envelops that can be bought for Rs 100
• = 100/3= 33.333 or 33 envelopes
• hope it helps

Answer 2

Answer:

1.One dozen =12

cost of 12 banana =60

cost of 1 banana =60/12=5

cost of 8 banana =8×5=40

2.Cost of 5kg rice =130

cost of 1kg rice=130/5=26

cost of 24kg rice =24×26=624

3.Cost of 15 postcard=15.30

cost of 1 postcard=15.30/15=1.02

Cost of 18 postcard=18×1.02=18.36

4.Distance covered in 4 hours=6000km

distance covered in 1 hour=6000/4=1500km

distance covered in 6 hours=6×1500=9000km

5.Cost of 15 envelopes =45

Cost of 1 envelope =45/15=3

No of envelopes bought in rs.100=100/3

Here no. is in fraction Therefore 33 envelopes can be bought in rs.100