The square of a positive integer added to 4 times the integer is 437..
x2 + 4x = 437
I chose to do this by completing the square..
x2+4x+4 = 437 + 4
(x+2)2 = 441
Take square root of both sides
x+2 = ±√441
x = -2 ± 21
x = -23 or x = 19
x = 19
Answer: The regular price of the shirt is $20.
Step-by-step explanation:
To find the regular price, find a number that 25% of it is equal to 5.
Solve using the equation,
25% * x = 5 Where x is the regular price.
0.25x = 5
x= 20
This means that the regular price is $20.
Answer:
48:75
Step-by-step explanation:
the 48 is the number of females
Answer: They purchased 14 adult tickets and 4 kids' tickets.
Step-by-step explanation:
14 x 5 = 70
3x4=12
and then add 70 plus 12 to get 82 dollars