#### Jill gave money to a charity over a 20-year period, from Year 1 to Year 20 inclusive. She gave £150 in Year 1, £160 in Year 2, £170 in Year 3, and so on,

Q-A1.NS.6
Mathematics
word problem
9th grade
high-school
Arithmetic progression
calculate the nth term

Krishna

0

so that the amounts of money she gave each year formed an arithmetic sequence.

(a) Find the amount of money she gave in Year 10.