Respuesta :
28
42/60=x/40 so cross multiply
42x40=1680
60x=1680
÷60 ÷60
x=28 countries
this is right out of my notes how it was taught so i hope its right or shame on my teacher lol
42/60=x/40 so cross multiply
42x40=1680
60x=1680
÷60 ÷60
x=28 countries
this is right out of my notes how it was taught so i hope its right or shame on my teacher lol