Answer:
w = 36
Step-by-step explanation:
You can make a ratio 98 : 84 = 42 : w

49w = 1764
w = 36
D is your answer
Expand and do FOIL method (first outside inside last)
simplify and then choose right answer
A is your answer
Do the same thing
hope this helps
I think the answer is 7.725 so sorry if I’m wrong but see if that answer is correct
Answer:
x=15
Step-by-step explanation:
21:2x=7:10 can be rewritten as 21/2x=7/10
21/2x=7/10, cross multiply
= 14x=210
x=15
The percentage of vehicles passing through this construction zone that are traveling at a speed of 50 and 57 miles per hour