Let x = roller coaster ticket
let y = boat ride ticket
x + y = 10
4x + 3y = 37
x = 10 - y
4x + 3y = 37
4(10-y) + 3y = 37
40 - 4y + 3y = 37
-y = 37 - 40
-y = -3
y = -3/-1
y = 3
x = 10 - y
x = 10 - 3
x = 7
x = 7 ; y = 3
4x + 3y = 37
4(7) + 3(3) = 37
28 + 9 = 37
37 = 37
Answer:
The common factors of 45 and 72 are 9, 3, 1
Step-by-step explanation:
700 because 10 times 20 is 200 and 500 plus 200 is 700.
8.605
This number is bigger than 6.604 and it is smaller than 8.643
:)
