Number of blue marbles = n
number of green marbles = 3n+4
n+3n+4=36
4n+4=36
4n=32
n=8
sub n=8 into 3n+4
=3(8)+4
=24+4
=28
therefore there are 28 green marbles
Answer:
D Neither
Step-by-step explanation:
D neither
Hope it helps you in your learning process.
3.69 x 10^5, because the original answer is 369000, but scientific notation requires that you have your answer between 1-10. Just move 5 places to the left, which means your power of 10 will be positive.
Answer:
She can write
5 1/2 hours or 5.5 hours.
Step-by-step explanation:
Explanation:
The problem with writing time is that there are two systems.
The decimal system is based on powers of 10, while the time system is based on 60.
Amelia cannot write 5.3 this would mean 5 3/10 hours.
30 minutes is 30/
60 = 1/2=0.5 of an hour
She needs to show 5 full hours and 1
/2 hour.
5 30/60 hours.
She can write
5 1/2 hours or 5.5 hours.