r+b =12
r =2b (twice as many red as blue)
substitute r = 2b into r+b=12
2b + b = 12
3b =12
divide by 3
b=4
r = 2b
r=2(4)
r=8
There are 4 blue pencils and 8 red pencils
Answer:
in 4 tens, there are 40 ones.
Step-by-step explanation:
in one ten, there are 10 ones. so if there are 4, multiply by 4. 10 times 4 equals 40. i hope this helps! have a great day and good luck <3
Answer:
2.66667
Step-by-step explanation:
divide 16 by 6
Answer: sqrt(62)
Step-by-step explanation:
Answer:
The answer is the 3rd one
Step-by-step explanation: