Answer:
1. 50 is 20% of 250
Step-by-step explanation:
In order to find any of these, use the equation.
Number/Out of = %
Then plug in the values
50/x = .20
Then solve by cross multiplying
50 = .20x
250 = x
U can use the second last one
X + 90 = 2x + 40
Answer:
13/19
Step-by-step explanation:
To find the reciprocal, flip the number.
The reciprocal of 19/13 is 13/19
~
4.5 mph (aka 4 and 1/2 mph)
Answer: 75
Step-by-step explanation: took test and got it right. this is not fake like other people