HELP ME ASAP!!!! THIS JUST TWO QUESTIONS BUT THEY AREN'T DIFFICULT

Answer:
3.6 and 8.4
Step-by-step explanation:
you put it into proportions
?/12= 30/100
you do 30 times 12
then divide it by 100
?/12 = 70/100
multiply 70 and 12
then divide it by 100