1003057901

SubArea: 
Arithmetic sequences
Level: 
A
Project ID: 
1003057901
Accepted: 
1
Clonable: 
0
Easy: 
1
The \( 20 \)th term of an arithmetic sequence is \( 150 \) and the common difference is \( 3 \). Find the first term.
\( 93 \)
\( 90 \)
\( 87 \)
\( 210 \)
\( 207 \)