Answer:
50
Step-by-step explanation:
n (n + 1) = 2550
n^2 + n = 2550
n = 50
n + 1 = 51
Answer:(12,-7)
Step-by-step explanation:
Answer:
C. About 22
Step-by-step explanation:
13.3 + 2.8 + 5.6
= 21.7
Since 21.7 is close to about 22, we can conclude that C is the final answer.
Answer:
90 red cars, 150 blue cars
Step-by-step explanation:
Divide 240 by 8. 8 comes from the 3:5 ratio (3+5). 240/8=30. 30x3=90, 30x5=150.