In 1997 there were 31 laptop computers at grove high school. starting in 1998 the school bought 20 more laptop computers at the

Question

3 years ago

7

In 1997 there were 31 laptop computers at grove high school. starting in 1998 the school bought 20 more laptop computers at the

end of each year. the equation t=20x 31 can be used to determine t, the total number of laptop computers at the school x years after 1997. what was the total number of laptop computers at grove high school at the end of 2005?

Mathematics

1 answer:

Ksenya-84 [330] · Answer 1 · 2022-07-18T14:53:42+03:00

Ksenya-84 [330]3 years ago

7 0

We have equation:
t=20x+31
x is number of years after 1997.

To calculate number of laptops in 2005:
x=2005-1997
x=8

t=20*8+31
t=160+31
t=191

In year 2005 school had 191 laptops.