Hi!
When you add a negative number, you really just subtract it. So let's solve this.
Convert the mixed numbers into improper fractions.

Solve
434 - 351 = 83

The sign of this fraction is positive
Hope this helps! :)
-Peredhel
Answer: 789.39
Step-by-step explanation: Just subtract 89.51 from 878.9.
Mark Brainliest if this helped!
Answer:
each side is 31cm
Step-by-step explanation:
91/3=31
31+31+31=93
850. If there is 17 red beads for every 150 beads Then you would divide 7500 by 150 and you get 50. Then multiply 50 with 17 and your answer is 850 red beads. 7500/150=50. 50 x 17= 850.
I have a good record of guessing the right one so I would say #1.