I need some help with this question, can anyone help me?

For each proportion find the unknown number x 1/5/8=×/15

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog