Answer:
Do the parentheses first. then the operations. Then solve
Step-by-step explanation:
432 million, 540 times .20 equals 108, subtract 108 from 540 and you get your answer
Answer:
Step-by-step explanation:
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.