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:
a) 69.99
b) .20%
Your welcom ,.
Step-by-step explanation:
1,327 days are in between 12/1/16 and 7/20/20
Answer:
10 min
Step-by-step explanation:
35/7=5 blocks in 1 min
50/5=10
Answer:
3) 9.2ml
4) .25ml
Have to have 20 characters