@AkinolaAjayi got it first

7/4 = 7/2
Cross multiply
=28/14
X=2
So therefore yokoyo is expected to serve 2 people

1.75 plates to serve 1 person
3.5 plates will now serve 3.5*1/1.75=2

Therefore the number of people Yokoyo are expected to serve are 2people

1.75 plates to serve 1 person
3.5 plates will now serve 3.5*1/1.75=2

Therefore the number bof people Yokoyo are expected to serve are 2people