They work for 7 hours each day over 2 days, Sam and Jesse washed 2 cars.
Answer:
(-20 + 4) (2+7-35) = -19
Step-by-step explanation:
This is an arithmetic sequence, as there is a common difference of 21 between terms.
By using the formula, the 18th term of the sequence is
= 1st term + (18 - 1)(21)
= 15 + 17 * 21
= 372