Let x and y be islands and peninsulas respectively
x+y=191919
2x+3y=454545
y = 191919- x
2x + 3 (191919 - x) = 454545
2x + 575757 - 3x = 454545
2x-3x = 454545 - 575757
-x = -121212
x = 121212
121212 + y = 191919
y = 191919 - 121212
y = 70707
Ni Hua visited 121212 islands and 70707 peninsulas
Answer:
(X+9)(x+4)
Step-by-step explanation:
Find 2 numbers that add to get the middle number and also multiply to get the last number
-6 x -4 = 24
24/-6 = -4
24/-4 = -6
Hope this helps :)
Nonlinear is correct the points are scattered across the graph :)
