Answer:
yes.
Step-by-step explanation:
write these ratios as fractions to see if they are proportional
3/4
9/12 -------> this can be simplified by dividing by 3
= 3/4
therefore yes they are equivalent
Answer:
first explain what you need help with specifically then maybe people can help, to bland of a question
Answer:
4 is the median to your problem
=Mr.Lehmans hourly rate for labor is 20$
=30+40=70-50=20