The answer is 30 because you put 21/x= 70/100
you cross multiply 100 and 21 you get 2100 and you divide it by 70 you should get 30 cause you take out one 0 from both numbers and end up with 210 divided by 7 then you get 30
Can you send a photo of it? I can't understand
Answer:
120 is the y intercept in the formula y=mx+b
hope this helped!!
