Answer:
2000 straws
Step-by-step explanation:
4 × 500 = 2000
Answer:
5√5
Step-by-step explanation:
Answer:
45%
Step-by-step explanation:
900/2000 x 100% = 45%
Hope this helps :)
Answer:
x = 149, cars and 51 motorcyles
Step-by-step explanation:
4x + 2(200-x) = 698
2x = 298 x = 149, cars and 51 motorcyles
Answer:
(426 ; 468)
Step-by-step explanation:
Confidence interval :
Mean score ± margin of error
Margin of Error = 21
Mean SAT score = 447
Hence,
447 ± 21
Lower boundary = 447 - 21 = 426
Upper boundary = 447 + 21 = 468
(426 ; 468)