Question

2. Divide 64 cm long string into two parts in the ratio 5 : 3.
3
720 is divided between x and y in the ratio 4 - 5 How​

Answer 1

2. length of long string = 64 cm

according to question, 5a+3a= 64

8a = 64

a= 8

length of first part = 5× 8= 40 cm

length of second part = 3× 8= 24 cm

3. according to question , 4a+5a= 720

9a= 720

a= 80

part of x = 4×80 = 320

part of y = 5×80 = 400