Question

'In a box, the ratio of nails to screws is 4: 7. If
there are 20 nails, how many screws are there?
​

Answer 1

Answer:

Let the nails be 4x and screws be 7x

nails=20

4x=20

x=20/4

x=5

screws=7×x

=7×5=35

Answer 2

Answer:

Step-by-step explanation:

let x is their common factor

so nails=4x

screws=7x

4x=20

x=5

so screws=7x=7*5=35