Answer:
The answer is 9
Step-by-step explanation:
take 4 to the other hand it become -4
r=13-4=9
Answer: 624 Square meters
Mr. Sato needs 9 more magnets.
The 24 students will form 12 pairs. The total number of magnets needed is 12*3 = 36. Mr. Sato gave out 9*3=27 magnets already and so he will need 36 - 27 = 9 more magnets.
Firstly this is all about luck my predictions is impossible to be accurate
ANyways i think ther are 30 red,10 green and 60 blue
7 red marbles, 2 green marbles and 11 blue marbles.