There are 3 numbers. The 2nd number is 3 times the 1st. The 3rd is twice the 2nd . If their average is 70, find the smallest of the 3 numbers.
A. 18
B. 19
C. 20
D. 21
Answer:D
There are 3 numbers. The 2nd number is 3 times the 1st. The 3rd is twice the 2nd . If their average is 70, find the smallest of the 3 numbers.
A. 18 B. 19 C. 20 D. 21