Question

s give correct answer​

Answer 1

Answer:

a. 4:2

b. 4:6

c.  1: 3

Step-by-step explanation:

Answer 2

Step-by-step explanation:

total no of students=60

no of boys=40

no of girls=60-40=20

a.40:20=2:1

b. 40:60=2:3

c. 20:60=1:3

17)total length= 45

ratio=4:5

total parts=4+5=9

one part=45/9=5

first part=5*4=20

second part=5*5=25