Question

Each trip, a bus drops off more fans at a concert. On the first trip, the bus dropped off 30. On the 14th trip, which was the last one, the bus dropped off 95 fans. How many fans did the bus deliver to the concert in total?
A. 875
B. 813
C. 455
D. 423

Answer 1

@campbell_st

Answer 2

@hartnn

Answer 3

@amistre64

Answer 4

is this an arithmetic sequence by chance?

Answer 5

Arithmetic series

Answer 6

if so, there is a formula that can be developed that looks like:\[\frac{1}{2}n(first+last)\]

Answer 7

So,\[\frac{ 1 }{ 2 }n(125)\]

Answer 8

good, and the number of trips is 14 ...

Answer 9

875!

Answer 10

thats what i see it as too

Answer 11

yup